Head to head
1
Hard
2
Kei Nishikori's wins on the left · Mackenzie McDonald's on the right · bar lengths share one scale
All meetings (3)
| 2025 | Delray Beach | Hard | R32 | Mackenzie McDonald | 7-6(4) 4-6 7-5 |
| 2021 | US Open | Hard | R64 | Kei Nishikori | 7-6(3) 6-3 6-7(5) 2-6 6-3 |
| 2021 | Washington | Hard | SF | Mackenzie McDonald | 6-4 3-6 7-5 |
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.