Tamara Zidansek defeated Katerina Siniakova 6-3 3-6 6-0 in the Prague round of 32 on clay. The upset overturned the form book — Katerina Siniakova came in ranked #39, defending last year's quarter-final. Tamara Zidansek extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | R32 | clay | Tamara Zidansek | 0-6 7-6 6-2 |
| 2019-05-20 | Nurnberg | SF | clay | Tamara Zidansek | 7-6 6-2 |
| 2014-05-26 | Maribor 25K | QF | clay | Katerina Siniakova | 6-0 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zidansek T.: 2 days rest · 3 matches, 83 games (7d) · Siniakova K.: 11 days rest · 2 matches (14d). 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 clay field, opponent-adjusted over 52 weeks). About