Eero Vasa defeated Peter Nad 4-6 6-3 6-0 in the M15 Nyiregyhaza 1 round of 16 on clay. The upset overturned the form book — Peter Nad came in leading the head-to-head 1–0, but Eero Vasa had been the form player, winning 5 of their last 9 on clay. Eero Vasa claimed a first win over Peter Nad in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | M15 Bratislava 1 | Q32 | hard | Peter Nad | 7-5 3-6 10-8 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.