Suzan Lamens defeated Anastasia Nefedova 7-5 6-2 in the W15 Monastir 10 quarter-final on hard. The upset overturned the form book — Anastasia Nefedova came in leading the head-to-head 1–0. Suzan Lamens claimed a first win over Anastasia Nefedova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-19 | W15 Monastir 9 | QF | hard | Anastasia Nefedova | 2-6 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.