By surface
| Surface | Kei Nishikori | Peter Polansky |
|---|---|---|
| Hard | 2 | 0 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2014-01-31 | ATP | Davis Cup WG R1: JPN vs CAN | Round Robin | Hard | Kei Nishikori | 6-4 | 6-4 | 6-4 | ||
| 2013-08-05 | ATP | Canada Masters | Round of 64 | Hard | Kei Nishikori | 4-6 | 6-4 | 6-2 |