| | Top level | Event type
Doubles, Men – Match 3/4
| Date | 30 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | John Blom |  AUS |
| Seed | Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| – | Marcus Daniell / Michael Venus |  NZL | 2 | 7 | 6 | |
| – | Austin Krajicek / Tennys Sandgren |  USA | 0 | 6 | 2 |
Marcus Daniell / Michael Venus
| Pos | Seed | Competitor | Tie-break 1 | |||
|---|---|---|---|---|---|---|
| – | Marcus Daniell | – | ||||
| – | Michael Venus | – | ||||
| Team Totals | 7 | |||||
Austin Krajicek / Tennys Sandgren
| Pos | Seed | Competitor | Tie-break 1 | |||
|---|---|---|---|---|---|---|
| – | Austin Krajicek | – | ||||
| – | Tennys Sandgren | – | ||||
| Team Totals | 3 | |||||