After an opening week which saw Japan grab the spotlight, and then some, with a famous victory over South Africa, we head into another intriguing round of matches at the 2015 Rugby World Cup starting the with Asian side, who will look for another upset on Wednesday.

The Wallabies also start their World Cup campaign this week, while South Africa look to bounce back from the immense upset, with New Zealand and France looking to stay on the winning track.

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England vs Wales should be the match of the second week at this Rugby World Cup, but before we get to that, we have a lot more action, with Japan opening it all up with their match against Scotland in Gloucester.

Most rugby fans are still trying to fathom what happened in Brighton last Saturday, but for Japan that win will mean little if they cannot carry the momentum to the game against Scotland on Wednesday.

Closely following that match will be Australia's first World Cup game of 2015, with Fiji their opponents.

Fiji threatened in spurts against England, and had it not been for a few costly mistakes, the match would have been a lot closer, and it is those mistakes, particularly from the lineouts, that they will have to cut out, if they are to threaten the Wallabies.

Australia would have watched from the sidelines as the rest of the favourites crumbled, tumbled and fumbled on the opening week, and they will want to avoid another World Cup upset. A professional performance, without any errors, should be enough to open their campaign with a victory.

The third and final match on Wednesday will see France play Romania, and barring a Japan-like performance, this should be easy enough for the French.

Thursday will have New Zealand take centre-stage again as the defending champions face Namibia, while Friday is all about Argentina looking to bounce back from the defeat to the All Blacks with a victory over Georgia.

We have a Super Saturday in store, with Italy opening up the action against Canada, before South Africa look for redemption against Samoa. Then all of England and Wales will come to a stop when the two rivals face-off in what could be a crucial match towards deciding who goes through to the knockout rounds.

Sunday will have Australia again taking the field, with Uruguay the opponents this time, while Scotland should have enough to get past the USA, assuming, of course, they are not in a shell-shocked state after the Japan match earlier in the week.

The final match of the weekend will have Ireland play Romania at Wembley, and that should be a comfortable victory for the Irish.

2015 Rugby World Cup second week Schedule: Wednesday: Match 9: Pool B: Scotland vs Japan (2.30 pm BST, 7 pm IST, 9.30 am ET) at Kingsholm, Gloucester.

Match 10: Pool A: Australia vs Fiji (4.45 pm BST, 9.15 pm IST, 11.45 am ET) at Millennium Stadium, Cardiff.

Match 11: Pool D: France vs Romania (8 pm BST, 12.30 am IST, 3 pm ET) at Queen Elizabeth Olympic Park, London.

Thursday: Match 12: Pool C: New Zealand vs Namibia (8 pm BST, 12.30 am IST, 3 pm ET) at Queen Elizabeth Olympic Park, London.

Friday: Match 13: Pool C: Argentina vs Georgia (4.45 p BST, 9.15 pm IST, 11.45 am ET) at Kingsholm, Gloucester.

Saturday: Match 14: Pool D: Italy vs Canada (2.30 pm BST, 7 pm IST, 9.30 am ET) at Elland Road, Leeds.

Match 15: Pool B: South Africa vs Samoa (4.45 pm BST, 9.15 pm IST, 11.45 am ET) at Villa Park, Birmingham.

Match 16: Pool A: England vs Wales (8 pm BST, 12.30 am IST, 3 pm ET) at Twickenham, London.

Sunday: Match 17: Pool A: Australia vs Uruguay (12 pm BST, 4.30 pm IST, 7 am ET) at Villa Park, Birmingham.

Match 18: Pool B: Scotland vs USA (2.30 pm BST, 7 pm IST, 9.30 am ET) at Elland Road, Leeds.

Match 19: Pool D: Ireland vs Romania 4.45 pm BST, 9.15 pm IST, 11.45 am ET) at Wembley, London.