Maria Bondarenko defeated Ivonne Cavalle Reimers 7-5 6-1 in the W25+H Tauste-Zaragoza round of 32 on hard. The upset overturned the form book — Ivonne Cavalle Reimers came in leading the head-to-head 1–0. Maria Bondarenko claimed a first win over Ivonne Cavalle Reimers in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-12-10 | W15 Monastir 20 | R16 | hard | Ivonne Cavalle Reimers | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.