| Quarter-Final | Semi-Final | Final | Winner |
|---|
 | Kazakhstan (22)§ |
| | | |
#34 Fri 03-Dec-21 14:00 (Pitch 5)
Loser placed 13th overall |
| Kazakhstan (14) |
| | |
 | RAF Spitfires (17) |
| | | |
| | | |
| #42 Sat 04-Dec-21 13:40 (Pitch 3)
Loser placed 11th overall |
 | Dukla Rugby (10) |
| |
| | | |
 | Olymp (7) |
| | | |
#36 Fri 03-Dec-21 14:00 (Pitch 7)
Loser placed 13th overall |
| Dukla Rugby (22) |
| | |
| Dukla Rugby (49)§ |
| | | |
| | | |
| | #46 Sat 04-Dec-21 15:40 (Pitch 6)
Loser placed 10th overall |
 | RUSSIA Development
(9th overall) |
|
| | | |
 | Qatar Rugby (17) |
| | | |
#33 Fri 03-Dec-21 14:00 (Pitch 3)
Loser placed 13th overall |
 | Lion 7s (5) |
| | |
| Lion 7s (21)§ |
| | | |
| | | |
| #44 Sat 04-Dec-21 14:00 (Pitch 5)
Loser placed 11th overall |
| RUSSIA Development (17)§ |
| |
| | | |
 | Belgium Barbarians (12) |
| | | |
#37 Fri 03-Dec-21 14:00 (Pitch 8)
Loser placed 13th overall |
| RUSSIA Development (33) |
| | |
| RUSSIA Development (19)§ |
| | | |
