Sebastian Fanselow defeated Alvaro Lopez San Martin 6-3 6-4 in the M25 Manacor 2 quarter-final on hard. The upset overturned the form book — Alvaro Lopez San Martin came in leading the head-to-head 1–0. Sebastian Fanselow claimed a first win over Alvaro Lopez San Martin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-04-22 | M25 Angers 1 | R16 | clay | Alvaro Lopez San Martin | 2-6 6-1 6-4 |
Averages over each player's completed matches in the selected window (85 vs 29). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About