Head to head
5
Hard
4
4
Clay
0
1
Grass
0
Kei Nishikori's wins on the left · David Ferrer's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (14)
| 2017 | Rome Masters | Clay | R32 | Kei Nishikori | 7-5 6-2 |
| 2017 | Madrid Masters | Clay | R16 | Kei Nishikori | 6-4 6-3 |
| 2015 | Madrid Masters | Clay | QF | Kei Nishikori | 6-4 6-2 |
| 2015 | Acapulco | Hard | F | David Ferrer | 6-3 7-5 |
| 2015 | Australian Open | Hard | R16 | Kei Nishikori | 6-3 6-3 6-3 |
| 2014 | Tour Finals | Hard | RR | Kei Nishikori | 4-6 6-4 6-1 |
| 2014 | Paris Masters | Hard | QF | Kei Nishikori | 3-6 7-6(5) 6-4 |
| 2014 | Madrid Masters | Clay | SF | Kei Nishikori | 7-6(5) 5-7 6-3 |
| 2014 | Miami Masters | Hard | R16 | Kei Nishikori | 7-6(7) 2-6 7-6(9) |
| 2013 | Miami Masters | Hard | R16 | David Ferrer | 6-4 6-2 |
| 2013 | Australian Open | Hard | R16 | David Ferrer | 6-2 6-1 6-4 |
| 2012 | London Olympics | Grass | R16 | Kei Nishikori | 6-0 3-6 6-4 |
| 2011 | Tokyo | Hard | R32 | David Ferrer | 6-4 6-3 |
| 2008 | US Open | Hard | R32 | Kei Nishikori | 6-4 6-4 3-6 2-6 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.