Mariya Koryttseva defeated Tatiana Poutchek 6-4 6-2 in the Kolkata quarter-final on hard. The upset overturned the form book — Tatiana Poutchek came in leading the head-to-head 2–1, defending last year's round of 16, but Mariya Koryttseva had been the form player, winning 1 of their last 5 on hard. Mariya Koryttseva narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-09 | Minsk 50K | R16 | hard | Tatiana Poutchek | 5-7 7-6(7) 6-4 |
| 2007-05-07 | Jounieh 75K | QF | clay | Mariya Koryttseva | 6-1 3-6 7-5 |
| 2005-05-02 | Warsaw 25K | QF | clay | Tatiana Poutchek | 6-2 6-3 |
Averages over each player's completed matches in the selected window (66 vs 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About