Elise Mertens defeated Kiki Bertens 6-4 6-3 in the Doha quarter-final on hard. The result followed the form book — Elise Mertens came in leading the head-to-head 2–1, defending last year's round of 32. Elise Mertens extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-12-31 | Brisbane | R32 | hard | Kiki Bertens | 6-2 6-7(6) 6-4 |
| 2017-08-21 | New Haven | R32 | hard | Elise Mertens | 4-6 6-4 6-2 |
| 2017-01-09 | Hobart | QF | hard | Elise Mertens | 6-2 7-5 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.