Kiki Bertens defeated Elitsa Kostova 2-6 6-1 7-5 in the Portimao 10K round of 16 on hard. The result followed the form book — Kiki Bertens came in leading the head-to-head 2–0. Kiki Bertens extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-08 | Koksijde 25K | F | clay | Kiki Bertens | 6-2 6-1 |
| 2011-07-18 | Bucharest 100K | R32 | clay | Kiki Bertens | 6-1 6-1 |
Averages over each player's completed matches in the selected window (198 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