Petra Martic defeated Tatjana Maria 6-2 6-1 in the US Open round of 128 on hard. The result followed the form book — Petra Martic came in leading the head-to-head 2–1, defending last year's round of 32. Petra Martic extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-05 | Indian Wells | R128 | hard | Petra Martic | 6-3 6-1 |
| 2014-11-03 | Captiva Island FL 50K | SF | hard | Petra Martic | 6-7(2) 6-2 6-4 |
| 2009-04-12 | Barcelona | Q32 | clay | Tatjana Maria | 6-1 6-4 |
Averages over each player's completed matches in the selected window (129 vs 200). ATP, WTA & Challenger.
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