Head to head
Rivalry summary
Kei Nishikori and Tommy Paul met 2 times on the ATP tour between 2017 and 2025. Their head-to-head is level at 1–1. By surface, they are level 1–1 on hard.
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Hard
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Kei Nishikori's wins on the left · Tommy Paul's on the right · bar lengths share one scale
All meetings (2)
| 2025 | Australian Open | Hard | R64 | Tommy Paul | 6-7(3) 6-0 6-3 6-1 |
| 2017 | Washington | Hard | QF | Kei Nishikori | 3-6 7-6(8) 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.