• Catch up on the first day of action from round two of the IRB Women's World Sevens Series in Houston
• Day Two Cup Quarter-Finals confirmed as: England V Netherlands, Canada V New Zealand, USA V Russia, Australia V South Africa
• The Bowl Semi-Finals are Japan V Trinidad & Tobago and Brazil V Argentina
• Video highlights available will be available from day one on http://wsws.irb.com/ soon

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Thanks for tuning in today! See you back here tomorrow!

Tomorrow's games are now confirmed.

Cup Quarter-Final Line-Ups

England V Netherlands
Canada V New Zealand
USA V Russia
Australia V South Africa

Bowl Semi-Finals

Japan V Trinidad & Tobago
Brazil V Argentina

And Canada take it out 24-14 and that ends play today. We will confirm the Cup Quarter-Final line-ups shortly.

Ooh South Africa make it exciting with a great score from Gadu and the kick makes it 19-14 and anyone'e game with two mins to play.

Two rapid tries from Canada see them push out to a 19-7 lead, with Jen Kish ghosting through for one ace finish.

South Africa lose Gadu to the sinbin for two minutes for a high tackle and Canada will have a chance to get back in front against six players.

South Africa sneak ahead just at halftime with a great little score under the posts from Goda making it 7-5.

Both teams look tired and no wonder as this is the last game of the day. Canada are leading 5-0 with a try from Kayla Moleschi.

Final game of the day sees Canada and South Africa in action!

USA end their day on a high with a big 41-0 win over Argentina. USA will be delighted with their performances today though know they could have beaten Canada, in the game that ended in a tie.

USA lead Argentina 22-0. It's pretty comfortable for the home side out there who are ending a good day very strongly.

USA are up 12-0 in this game. They are looking for as many points as possible to try and top the pool with Canada yet to play their final game.

Argentina and USA are now battling it out in the second last game od the day.

In an awesome end to end game, England win it 7-5! New Zealand did score right on the fulltime whistle but it was too little too late after England's superb defence, led by Heather Fisher, made life incredibly difficult for New Zealand. 

New Zealand are giving it their all in attack but England have enough in defence to hold them out. Heather Fisher puts in a huge tackle to stop the latest attack.

England lead 7-0 in a tough fiesty affair. England's defence has been awesome and has stopped any attack New Zealand has thrown at them.

Wow Carla Hohepa looked like she was away down the right but Alice Richardson comes to the rescue and England win a penalty a metre out from their tryline.

Natasha Hunt scores first for England!

Nothing giving yet in this game as both sides play cautious rugby for the opening couple of minutes.

Two wins each for these teams so far. Can't wait to watch this one!

Next up we've got a classic ahead with New Zealand and England!

Netherlands win their first game of the tournament 38-5 but Trinidad & Tobago will be thrilled to have scored their first points too!

Massive cheer for Trinidad and Tobago who have scored their first try of the tournament through the outstanding Juliana Straker who takes three tacklers with her over the tryline! Netherlands lead 38-5

Netherlands lead 26-0. Tries from Tessel van Dongen, Tessa Veldhuis, Annemarije van Rossum and Tessa Veldhuis. Trinidad skipper Juliana Straker has made some immense hits too though out wide and has saved a few certain tries.

Netherlands are now in action against Trinidad and Tobago.

Australia win it but it was not easy! It was 15-10 in the end in a real ding dong battle. Australia end the day top of theiri pool.

Oh goodness. Sharni Williams has just flattened someone with a great fend! The tackles going in here are simply outstanding and Russia rally from that break.

There are some ferocious tackles going in here in this game. It hurts to watch!

Another super game ongoing here. Ekaterina Kazakova scores a peach under the posts and it's now 12-10 to Australia.

Australia react well to going behind early with two nice tries. One from Tricia Brown and one from Gemma Etheridge. They now lead 12-5

Russia score first! It's the brilliant Baizat Khamidova again!

Game ends 17-12 to Japan. That's the final game for both those sides today. Up next it's Australia V Russia.

Japan lead 12-7 but the highlight of the last minute as a huge fend from Brazil's Edna Santini who drew a huge gasp and applause from the crowd!

Good game in progress here between Brazil and Japan who are both looking for their first wins today. Japan scored first but Brazil have hit back nicely with a superb break from Luiza Campos helping Beatiz Muhlbauer to score.  Brazil lead 7-5.

Brazil and Japan are out on the pitch.

There are six games left tonight as darkness falls in Houston. The order of play is Brazil v Japan, Australia v Russia, Netherlands v Trinidad and Tobago, New Zealand v England, USA v Argentina, South Africa v Canada.

Trinidad & Tobago coach Kitty Andrews-Nero,is taking lots of positives from the opening games against New Zealand and England. It is an honour for us to play alongside teams like New Zealand and England and we set ourselves very small goals which we have met.  We feel like overall we are learning a lot. People probably can’t comprehend  our story and how small a sport this is for us at home but the girls are learning so much that we want to take this back home and use it to grow the game. We are here and we want more. We need to be playing at this level to so we get an idea of what it really takes.

Australia captain Sharni Williams is pleased with two wins so far today. We have a lot to learn still but we have some new girls here and they are developing really well. We have one more game today and Russia are very quick and very physical. We will have to muscle up for that. Playing here at this ground has been fantastic.  This is a brilliant stadium! The orange seats are a bit bright but I think the Dutch enjoy that! The pitch is really quick and we are enjoying that too.

Canada ease home in this one with a convincing 31-0. Argentina put up a brave fight throughout and certainly didn't lie down. Canada's test with South Africa later will be the one to watch in this pool. We are off now to get some reaction from the second block of pool games.

Canada lead 17-0 but none of the scores have come easy as Argentina work tirelessly in defence and have had some decent chances too. Canada's tries came from Farella, Marchak and Waters.

Argentina have made a great start to this game. Canada should have scored but a massive tack over the tryline forces a knockon. Great effort.

One more game before a break in play and it's Canada V Argentina. After that we will pop down and get some reaction from the second block of games.

What an awesome second half we have been treated to. South Africa take a 19-17 lead but in the last second USA have scored through Lauren Doyle and win it  22-19. Great stuff.

Wow - South Africa come from 17-0 down to take the lead 19-17 and there's just seconds to go! What a comeback!

South AFrica have come right back into it with two excellent tries and have clawed it back to 17-12 - tries from Williams and Simmers - tense few mins left!

McGee scores again and USA push out to a 17-0 lead. This is a fine performance from the home side.

USA are leading 10-0 in a good game. Home crowd are loving it!

USA are flying! Another great score and this time it's Marchino to score but it's set up by Christy Ringgenberg.

Ace try from Vanesha McGee who has just run 70metres to score!

Here we go now with USA up against South Africa. Should be a good one!

England win it 48-0 but Trinidad had some good plays and they will have some positives to take out of it. For England Staniford had a great second half with some well finished scores.

Wow well done JUliana Straker for a huge run and a massive handoff to get rid of an England defender! She looks certain to score but puts a foot in touch! Shame

Two quick tries from Michaela Staniford have put England well out of reach here at 34-0

England are 22-0 up with four good tries from Alex Matthews, Kat Merchant, Marlie Packer (who has been very agressive at the breakdown) and Katy McLean. Trinidad are not throwing the towel in though and have made some good hard tackles.

England are into the game very early with a try from Marlie Packer. Tough start for the newcomers.

Next up in this pool it's England V Trinidad and Tobago.

New Zealand show their class by pulling away in the second half to record a comfortable  35-14 win. Netherlands did work very hard but didn't have enough to last the distance in the end.

New Zealand are starting to pull away in the game wtih a couple of very good tries. Carla Hohepa is really starting to get into the match and Netherlands are making too many errors. It's now 28-14

New Zealand are edging this one with a late try from Sarah Goss putting them back in the lead 21-14. It's been an end to end first half!

What a game this is. New Zealand go ahead but Kelly Van Karskamp levels it with an awesome try where she slices through the middle and dots down under the posts untouched.

Netherlands hit right back - Van Harskamp breaks through the middle and offloads to Van Rossum who is under the posts and it's 7 apiece!

New Zealand are into an early lead here against Netherlands with a try from McAlister 7-0.

Russia beat Japan 24-5. Credit to Japan for battling back late in the game and getting a try of their own through Yoko Suzuki. Good game.

It's 17-0 here to Russia against Japan. Good game but Japan are struggling with the physicality of their opponents

Russia get off to a great start and it's Khamidova again who races over out wide. She is very hard to stop once she gets going! 5-0 

Australia add just one try in the second half but win it 22-0. They weren't overly tested but that was a physical game! Next up it's Russia V Japan.

Australia lead 17-0 against Brazil at halftime. Tries from Ili Batibasaga, Ella Green and Shontelle Stowers.

After a short break we are back in action with Australia taking on Brazil.

England captain Alice Richardson says her side were pleased with the 17-7 win over Netherlands.  It was as tough as we expected.  The competition level has shot up in the last year. We are happy with the win and it’s the first job out of the way. We have never seen Trinidad and Tobago play but we need to go out there and do the job. We can’t think about New Zealand yet even though it’s in the back of your mind. We are thinking game by game. There are areas we want to improve from the first game but it was a good hit out given some of our girls haven't played Sevens since the summer.

USA coach Ric Siggitt said his team was disappointed with the draw. "You never want to tie a game especially when it’s your big rivals. We aren’t happy even though we came back well. We missed first up tackles and we allowed them to gel very early. It was a great game of rugby and the two tries we scored were world class.  We are going to face a tough challenge against South Africa who have some real shifty halfbacks so our work is cut out for us in this pool."

Canada captain Jen Kish after drawing their first game against USA: We have mixed feelings about the result. We came out strongly but we broke down a bit in our defence in the second half. We bunched around the ball too much.  We need to come out hard in our next few games to make up for it.  We knew we would be in for a battle against USA. South Africa has a lot of speed and we will get beaten on the outside if we don’t step up. We don’t know much about Argentina but there are no easy games here.

We've got some reaction coming up from the USA, Canada and England camp.

And that's a fair result as the two great rivals tie 12-12. USA will be disappointed as they had all the momentum second half but it was a superb tie with four great tries!

Oh - the screen had showed an error and actually it is 12-12 here. Makes the end even more exciting!

It's now 14-12 to the home side and we are in for a tense finish!

Another excellent try from USA through Kelly Griffin and the crowd go wild!

Canada are leading 12-7 here at halftime. The first try from Brittany Waters came early and Canada then dominated the play with another score from Magali Harvey. USA came close through Lauren Doyle and then hit back with a superb score right at halftime from Nathalie Marchino after a superb break from Kelly Griffin.

Brittany Waters gets the ball rolling for Canada with a quick try - a huge tackle from home town captain Vanesha McGee gets the crowd on their feet in the build-up.

Don't forget if you're using Twitter to use #Houston7s and we will publish the best here!

Next up it's the hosts USA against their big rivals Canada, who were very disappointed in their placings in Dubai. This could be a very exciting battle. Teams are on the way out.

South Africa get off to a flying start with a 27-0 win over Argentina who fell away somewhat in the final few minutes. A superb finish from the impressive Gadu on the stroke of fulltime was a good end to an entertaining game.

South Africa have addded two very nice tries so far in the second half through Phumeza Godu and Meiring again. Argentina haven't managed to get enough ball to be a threat but have made some fine tackles, especially Gisele Acuna who is tackling well above her size!

It's 10-0 here at halftime to South Africa. Argentina will be pleased with their opening half effort though against a more experienced side. They are battling very hard.

Next up it's the finalists from Dubai South Africa up against Argentina!

England beat Netherlands 17-7 in a real battle in Pool A. Emily Scarratt made some superb tackles for England whose tries came from Laybourn, Richardson and Merchant while Netherlands scored through Van Harskamp in the first half and had some decent chances late on.

England score again as Kat Merchant grabs a breakaway try. 17-7 now to the English.

England 12 Netherlands 7. This game is still up for grabs  but both sides very much up for it. Some very aggresive breakdown work from both too. Good to watch.

Tight tense stuff here between these two European rivals but Netherlands take a 7-0 lead - great try from Kelly Van Harskamp

Next up it's England, wearing light blue kit, and Netherlands in their traditional orange.

It finishes 50-0 to New Zealand who were simply far too strong for Trindad & Tobago. Tries in the second half came from Kayla McAlister, Kendra Cocksedge and Shakira Baker.

New Zealand have started to run away with the game now - leading 43-0 with a minute or so to go in the game.

New Zealand lead 17-0 at halftime. Shakira Baker grabbed the third try. It's hard work for Trindad & Tobago out there but they are fighting hard.

Two rapid fire tries from New Zealand through Honey Hireme - this was always going to be a tough game for the newcomers.

Next up it's a baptism of fire for newcomers Trinidad and Tobago who face New Zealand.

Russia take it 27-0. Brazil's defence was much better in the second half but they will be hoping for more ball in their next game. The only score of the second half came from the speedy Khamidova out wide.

Just a few minutes to go - Brazil are doing a decent job at holding Russia out here with just one try conceded in the second half. It's 27-0 at the moment.

Russia are 20-0 up here at halftime. Rusiet Edidzhi and Ekaterina Kazakova crossed twice just before the whistle. Brazil have had very little ball yet.

Russia have taken a 10-0 lead here in the first few minutes and are dominating possession. Tries for Rusiet Edidzhi and Baizat Khamidova.

Up next it's two rising stars on the Sevens scene  - Russia and Brazil

Australia win comfortably 31-12 against Japan. The Japanese girls defended bravely but couldn’t quite match the power and pace put on the ball by the more experienced Australians who scored second half tries through Gemma Etheridge and Cobie Jane Morgan.  Noriko Tanigucho scored a late consolation try for Japan.

Australia have raced into a 14-0 lead here with tries from Shontelle Stowers and Tricia Brown. Japan are tackling bravely but have had little ball so far.

Australia and Japan are about to kick off! Here we go.

Here are a few facts about the BVVA Compass Stadium which hosts this tournament.  The capacity of this ground is 22,000 and it’s located in Downtown Houston.  It opened in May 2012 and it hosts Major League Soccer side the Houston Dynamos. Texas Southern University also play some football here. This isn’t the first time rugby has been played here. Last year USA faced Italy here in front of 17,214, a record for a USA match played on American soil!

The teams for the first game between world champions Australia and newcomers Japan are now named - you can view these HERE (starters highlighted in bold)

It's a perfect day for rugby here in Houston. It's 68 degrees (F) and sunny and the pitch surface looks fantastic. Just under 40 mins to go to the opening match.

Just to recap.... New Zealand lead the IRB Women's Sevens World Series after their victory in the opening event in Dubai two months ago. NZ will face Trinidad & Tobago in their opening match at 13:48 local time.

South Africa, runners up to New Zealand in Dubai, face Argentina first up at 14:32. Then hosts USA play Canada at 14:54. I think the locals might get a bit excited about that one.

Three tweets from players who will be going through their final preparations right now. Don't fancy facing Tash Hofmeester today, mind....

The weather today in Houston is perfect for running rugby - it's sunny but not too hot and the pitch looks fantastic.

One hour to go before the opening match at the Houston Sevens. Let's hope it's a quick one as we can't wait!

We'll be bringing you live updates throughout the day so stay tuned. But don't just do that - let us know what you think - @irbwomens and #houston7s. We'll be publishing as many tweets as we can during the course of the day, starting now...

Click here to check out the squad lists for all 12 teams (in PDF format)