Andreas Seppi advanced when Kei Nishikori retired 4-1 in the Halle semi-final. Andreas Seppi narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-16 | Monte Carlo Masters | R16 | clay | Kei Nishikori | 6-0 2-6 6-3 |
| 2013-08-05 | Canada Masters | R32 | hard | Kei Nishikori | 4-6 7-5 6-1 |
| 2013-06-24 | Wimbledon | R32 | grass | Andreas Seppi | 3-6 6-2 6-7(4) 6-1 6-4 |
| 2011-10-31 | Basel | R16 | hard | Kei Nishikori | 6-3 7-6(4) |
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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About