Svetlana Kuznetsova defeated Simona Halep 7-6 4-6 6-3 in the Sydney semi-final on hard. The upset overturned the form book — Simona Halep came in leading the head-to-head 5–2, but Svetlana Kuznetsova had been the form player, winning 4 of their last 7 on hard. Svetlana Kuznetsova narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-08-05 | Toronto | R16 | hard | Simona Halep | 6-2 6-1 |
| 2016-07-25 | Montreal | QF | hard | Simona Halep | 3-6 6-1 6-1 |
| 2014-05-26 | Roland Garros | QF | clay | Simona Halep | 6-2 6-2 |
| 2014-04-21 | Stuttgart | R16 | clay | Svetlana Kuznetsova | 7-5 7-6(4) |
| 2013-05-13 | Rome | R64 | clay | Simona Halep | 6-1 6-1 |
| 2011-08-08 | Toronto | R64 | hard | Simona Halep | 4-6 6-4 6-3 |
| 2011-03-21 | Miami | R64 | hard | Svetlana Kuznetsova | 6-0 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.