Klara Koukalova defeated Tatjana Maria 6-0 6-3 in the Copenhagen round of 16 on hard. The upset overturned the form book — Tatjana Maria came in leading the head-to-head 3–0. Klara Koukalova claimed a first win over Tatjana Maria in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-03 | Estoril | R32 | clay | Tatjana Maria | 6-4 7-5 |
| 2007-04-28 | Cagnes-Sur-Mer 100K | SF | clay | Tatjana Maria | 6-3 4-6 7-5 |
| 2007-02-10 | Antwerp | Q32 | hard | Tatjana Maria | 6-2 6-0 |
Averages over each player's completed matches in the selected window (81 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Maria T.: 7 days rest · 1 match, 20 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About