Diana Sumova defeated Anna Klasen 1-6 6-3 7-5 in the Horb 10K round of 16 on clay. The result followed the form book — Diana Sumova came in leading the head-to-head 1–0. Diana Sumova extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-11 | Darmstadt 25K | R32 | clay | Diana Sumova | 3-6 6-1 6-4 |
Averages over each player's completed matches in the selected window (6 vs 101). 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