Results
Pool Play
The USA and Canada will battle to see who finishes 4th, and Australia and New Zealand clash to see who wins the 2017-18 World Series title.
| New Zealand | 24-12 | England |
| Ireland | 24-5 | Wales |
| Australia | 24-0 | Fiji |
| Canada | 31-5 | Russia |
| USA | 24-19 | Japan |
| France | 20-0 | Spain |
| New Zealand | 54-7 | Wales |
| England | 31-12 | Ireland |
| Australia | 24-20 | Russia |
| Canada | 21-12 | Fiji |
| USA | 21-14 | Spain |
| France | 26-17 | Japan |
| New Zealand | 17-0 | Ireland |
| England | 45-12 | Wales |
| Australia | 31-14 | Canada |
| Fiji | 20-12 | Russia |
| Spain | 21-10 | Japan |
| USA | 5-14 | France |
Knockout Rounds
Australia looks to clinch the World Series title.
| Challenge SF | Ireland | 17-7 | Wales |
| Challenge SF | Russia | 38-0 | Japan |
| Cup QF | New Zealand | 38-0 | Spain |
| Cup QF | Canada | 26-24 | USA |
| Cup QF | Australia | 22-19 | Fiji |
| Cup QF | France | 48-7 | England |
| 5th-Place SF | USA | 33-5 | Spain |
| 5th-PlaceSF | Fiji | 19-14 | England |
| Cup SF | New Zealand | 34-7 | Canada |
| Cup SF | Australia | 21-17 | France |
| 11th/12th | Japan | 17-12 | Wales |
| 9th/10th | Ireland | 10-5 | Russia |
| 7th/8th | Spain | 20-7 | England |
| 5th/6th | USA | 28-7 | Fiji |
| 3rd/4th | Canada | 17-10 | France |
| Cup Final | New Zealand | 33-7 | Australia |