Kai Lemstra defeated Noah Lopez 7-6 6-4 in the M15 Telde 2 round of 32 on clay. The upset overturned the form book — Noah Lopez came in leading the head-to-head 1–0. Kai Lemstra claimed a first win over Noah Lopez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | M15 Monastir 7 | Q32 | hard | Noah Lopez | 3-6 7-5 10-7 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.