Varvara Lepchenko defeated Kiki Bertens 6-4 6-4 in the Sydney qualifying round 2 on hard. The result followed the form book — Varvara Lepchenko came in leading the head-to-head 3–1. Varvara Lepchenko extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Miami | R64 | hard | Kiki Bertens | 5-7 7-6(5) 6-1 |
| 2017-10-09 | Linz | R32 | hard | Varvara Lepchenko | 6-3 7-6(4) |
| 2017-09-25 | Wuhan | R32 | hard | Varvara Lepchenko | 6-4 6-4 |
| 2017-01-16 | Australian Open | R128 | hard | Varvara Lepchenko | 7-5 7-6(5) |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.