| | Top level | Event type
Doubles, Men – Match #1
| Date | 28 July 2021 | |
|---|---|---|
| Location | Ariake Tennis Forest Park, Ariake, Koto, Tokyo, Japan | |
| Chair Umpire | Manuel Absolu |  FRA |
| Seed | Competitor | NOC | Sets Won | Set 1 | Set 2 | |
|---|---|---|---|---|---|---|
| – | Nikola Mektić / Mate Pavić |  CRO | 2 | 6 | 6 | |
| – | Austin Krajicek / Tennys Sandgren |  USA | 0 | 4 | 4 |
Nikola Mektić / Mate Pavić
| Pos | Seed | Competitor | |||
|---|---|---|---|---|---|
| – | Nikola Mektić | ||||
| – | Mate Pavić | ||||
| Team Totals | |||||
Austin Krajicek / Tennys Sandgren
| Pos | Seed | Competitor | |||
|---|---|---|---|---|---|
| – | Austin Krajicek | ||||
| – | Tennys Sandgren | ||||
| Team Totals | |||||