Head to head
1
Hard
0
1
Grass
0
Kei Nishikori's wins on the left · Nikolay Davydenko's on the right · bar lengths share one scale
All meetings (2)
| 2012 | Kuala Lumpur | Hard | QF | Kei Nishikori | 6-4 RET |
| 2012 | London Olympics | Grass | R32 | Kei Nishikori | 4-6 6-4 6-1 |
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.