Klara Koukalova defeated Tathiana Garbin 5-7 6-2 6-3 in the Estoril round of 32 on clay. The upset overturned the form book — Tathiana Garbin came in leading the head-to-head 3–1. Klara Koukalova narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-23 | Miami | R128 | hard | Tathiana Garbin | 6-3 6-4 |
| 2006-09-18 | Portoroz | R32 | hard | Tathiana Garbin | 6-3 7-5 |
| 2006-05-29 | Roland Garros | R128 | clay | Tathiana Garbin | 2-6 6-4 6-1 |
| 2006-03-20 | Miami | R64 | hard | Klara Koukalova | 2-6 7-5 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (76 vs 124). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About