Angelique Kerber defeated Petra Martic 6-3 6-4 in the Indian Wells round of 128 on hard. The upset overturned the form book — Petra Martic came in leading the head-to-head 2–1, defending last year's round of 64. Angelique Kerber narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-28 | Roland Garros | R16 | clay | Angelique Kerber | 6-3 7-5 |
| 2009-09-14 | Sofia 100K | R16 | clay | Petra Martic | 5-7 6-3 6-2 |
| 2008-07-21 | Portoroz | R32 | hard | Petra Martic | 7-5 6-2 |
Averages over each player's completed matches in the selected window (24 vs 81). 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