Alexandr Dolgopolov defeated Kei Nishikori 7-6 6-4 in the Buenos Aires final on clay. The upset overturned the form book — Kei Nishikori came in leading the head-to-head 5–0. Alexandr Dolgopolov claimed a first win over Kei Nishikori in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-18 | Barcelona | QF | clay | Kei Nishikori | 7-5 6-0 |
| 2016-03-21 | Miami Masters | R32 | hard | Kei Nishikori | 6-2 6-2 |
| 2015-02-23 | Acapulco | QF | hard | Kei Nishikori | 6-4 6-4 |
| 2012-12-30 | Brisbane | QF | hard | Kei Nishikori | 6-4 7-6(3) |
| 2011-10-09 | Shanghai Masters | QF | hard | Kei Nishikori | 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 (65 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About