Jelena Jankovic defeated Petra Kvitova 6-1 6-3 in the Doha quarter-final on hard. The upset overturned the form book — Petra Kvitova came in leading the head-to-head 4–2, defending last year's quarter-final, but Jelena Jankovic had been the form player, winning 1 of their last 4 on hard. Jelena Jankovic narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-08-28 | US Open | R128 | hard | Petra Kvitova | 7-5 7-5 |
| 2015-06-29 | Wimbledon | R32 | grass | Jelena Jankovic | 3-6 7-5 6-4 |
| 2015-05-11 | Rome | R16 | clay | Petra Kvitova | 6-3 6-2 |
| 2015-02-23 | Doha | R16 | hard | Petra Kvitova | 6-3 1-1 RET |
| 2013-09-30 | Beijing | SF | hard | Jelena Jankovic | 6-7(7) 6-1 6-1 |
| 2011-10-10 | Linz | SF | hard | Petra Kvitova | 4-6 6-4 6-3 |
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 (165 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About