
Robin Haase defeated Alexander Zverev 5-7 6-4 7-5 in the Cincinnati Masters round of 32 on hard. The upset overturned the form book — Alexander Zverev came in leading the head-to-head 4–1, defending last year's round of 32. Robin Haase narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-17 | Halle | R32 | grass | Alexander Zverev | 6-4 7-5 |
| 2018-10-22 | Basel | R32 | hard | Alexander Zverev | 6-4 7-5 |
| 2017-10-30 | Paris Masters | R32 | hard | Robin Haase | 3-6 6-2 6-2 |
| 2017-01-16 | Australian Open | R128 | hard | Alexander Zverev | 6-2 3-6 5-7 6-3 6-2 |
| 2014-07-14 | Hamburg | R64 | clay | Alexander Zverev | 6-0 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.