Juan Martin del Potro defeated Kei Nishikori 7-6 6-3 in the Rome Masters round of 16 on clay. The result followed the form book — Juan Martin del Potro came in leading the head-to-head 5–2. Juan Martin del Potro extended the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Miami Masters | R32 | hard | Juan Martin del Potro | 6-2 6-2 |
| 2017-07-31 | Washington | R16 | hard | Kei Nishikori | 6-4 7-5 |
| 2016-10-24 | Basel | QF | hard | Kei Nishikori | 7-5 6-4 |
| 2012-07-25 | London Olympics | QF | grass | Juan Martin del Potro | 6-4 7-6(4) |
| 2012-06-25 | Wimbledon | R32 | grass | Juan Martin del Potro | 6-3 7-6(3) 6-1 |
| 2009-02-09 | San Jose | R16 | hard | Juan Martin del Potro | 6-2 6-2 |
| 2008-08-25 | US Open | R16 | hard | Juan Martin del Potro | 6-3 6-4 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (126 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About