By surface
| Surface | Kei Nishikori | Mackenzie Mcdonald |
|---|---|---|
| Hard | 1 | 2 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-02-10 | ATP | Delray Beach | Round of 32 | Hard | Mackenzie Mcdonald | 6-74 | 6-4 | 5-7 | ||
| 2021-08-30 | ATP | US Open | Round of 64 | Hard | Kei Nishikori | 7-63 | 6-3 | 6-75 | 2-6 | 6-3 |
| 2021-08-02 | ATP | Washington | Semifinal | Hard | Mackenzie Mcdonald | 4-6 | 6-3 | 5-7 |