Lenka Kuncikova defeated Diana Sumova 6-4 5-7 6-3 in the Hluboka Nad Vltavou 10K round of 16 on clay. The upset overturned the form book — Diana Sumova came in leading the head-to-head 1–0, but Lenka Kuncikova had been the form player, winning 3 of their last 5 on clay. Lenka Kuncikova claimed a first win over Diana Sumova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-12 | Innsbruck 10K | Q32 | clay | Diana Sumova | 6-1 6-2 |
Averages over each player's completed matches in the selected window (1 vs 6). 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. Small sample — read as indicative. About