Head to head
1
Hard
3
0
Clay
1
Ivan Dodig's wins on the left · Kei Nishikori's on the right · bar lengths share one scale
All meetings (5)
| 2015 | Australian Open | Hard | R64 | Kei Nishikori | 4-6 7-5 6-2 7-6(0) |
| 2014 | Tokyo | Hard | R32 | Kei Nishikori | 6-3 6-4 |
| 2014 | Madrid Masters | Clay | R64 | Kei Nishikori | 6-4 6-4 |
| 2013 | Basel | Hard | R16 | Ivan Dodig | 6-1 6-2 |
| 2012 | Davis Cup WG R1: JPN vs CRO | Hard | RR | Kei Nishikori | 7-5 7-6(4) 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.