Diana Marcinkevica defeated Katerina Siniakova 7-5 2-6 7-5 in the Stuttgart qualifying final on clay. The upset overturned the form book — Katerina Siniakova came in ranked #44, leading the head-to-head 2–0. Diana Marcinkevica claimed a first win over Katerina Siniakova in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-11 | Zawada near Opole 25K | SF | carpet | Katerina Siniakova | 6-4 6-4 |
| 2013-06-17 | Lenzerheide 25K | R32 | clay | Katerina Siniakova | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Siniakova K.: 4 days rest · 2 matches, 43 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 clay field, opponent-adjusted over 52 weeks). About