Head to head
3
Hard
1
Kei Nishikori's wins on the left · Benjamin Becker's on the right · bar lengths share one scale
All meetings (5)
| 2016 | US Open | Hard | R128 | Kei Nishikori | 6-1 6-1 3-6 6-3 |
| 2015 | Roland Garros | Clay | R32 | Kei Nishikori | W/O |
| 2014 | Tokyo | Hard | SF | Kei Nishikori | 4-6 6-0 7-6(2) |
| 2014 | Memphis | Hard | R16 | Kei Nishikori | 6-4 6-4 |
| 2010 | Delray Beach | Hard | R32 | Benjamin Becker | 6-3 1-6 6-0 |
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.