Head to head
1
Hard
3
0
Clay
4
Santiago Giraldo's wins on the left · Kei Nishikori's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2015 | Davis Cup WG PO: COL vs JPN | Clay | RR | Kei Nishikori | 6-4 6-2 7-6(3) |
| 2015 | Wimbledon | Grass | R64 | Santiago Giraldo | W/O |
| 2015 | Barcelona | Clay | R16 | Kei Nishikori | 6-2 6-1 |
| 2014 | Barcelona | Clay | F | Kei Nishikori | 6-2 6-2 |
| 2014 | Indian Wells Masters | Hard | R64 | Kei Nishikori | 6-1 6-3 |
| 2013 | Davis Cup WG PO: JPN vs COL | Hard | RR | Kei Nishikori | 6-1 6-2 6-4 |
| 2012 | Indian Wells Masters | Hard | R64 | Santiago Giraldo | 7-5 6-2 |
| 2011 | Shanghai Masters | Hard | R16 | Kei Nishikori | 7-6(6) 4-6 6-3 |
| 2010 | Roland Garros | Clay | R128 | Kei Nishikori | 2-6 4-6 7-6(3) 6-2 6-4 |
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.