Alexander Donski defeated Lucas Catarina 6-3 7-6 in the M15 Monastir 4 semi-final on hard. The upset overturned the form book — Lucas Catarina came in leading the head-to-head 1–0. Alexander Donski claimed a first win over Lucas Catarina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-08 | M15 Monastir 16 | SF | hard | Lucas Catarina | 7-6(7) 1-6 6-4 |
Averages over each player's completed matches in the selected window (122 vs 114). ATP, WTA & Challenger.
Donski A.: 2 days rest · 1 match, 24 games (7d). Higher means fresher. About
wins 56% of points on serve vs Catarina L.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About