Head to head
5
Hard
0
2
Clay
2
Kei Nishikori's wins on the left · Jeremy Chardy's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2018 | Brisbane | Hard | SF | Kei Nishikori | 6-2 6-2 |
| 2017 | Roland Garros | Clay | R64 | Kei Nishikori | 6-3 6-0 7-6(5) |
| 2017 | Australian Open | Hard | R64 | Kei Nishikori | 6-3 6-4 6-3 |
| 2016 | Barcelona | Clay | R16 | Kei Nishikori | 6-3 7-5 |
| 2015 | Paris Masters | Hard | R32 | Kei Nishikori | 7-6(4) 6-7(6) 6-1 |
| 2014 | Tokyo | Hard | QF | Kei Nishikori | 6-4 6-2 |
| 2013 | Rome Masters | Clay | R32 | Jeremy Chardy | 6-4 6-1 |
| 2012 | Acapulco | Clay | R16 | Jeremy Chardy | 1-6 7-6(8) 6-0 |
| 2011 | Miami Masters | Hard | R128 | Kei Nishikori | 7-6(5) 6-2 |
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.