Head to head
4
Hard
0
1
Clay
1
Kei Nishikori's wins on the left · Tomas Berdych's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2018 | Monte Carlo Masters | Clay | R64 | Kei Nishikori | 4-6 6-2 6-1 |
| 2015 | ATP Finals | Hard | RR | Kei Nishikori | 7-5 3-6 6-3 |
| 2012 | Tokyo | Hard | QF | Kei Nishikori | 7-5 6-4 |
| 2012 | Monte Carlo Masters | Clay | R16 | Tomas Berdych | 2-6 6-2 6-4 |
| 2011 | Basel | Hard | R32 | Kei Nishikori | 3-6 6-3 6-2 |
| 2009 | Brisbane | Hard | R16 | Kei Nishikori | 7-6(7) 6-3 |
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.