Bastian Malla defeated Matias Zukas 7-6 6-1 in the M15 Sao Paulo 1 semi-final on clay. The upset overturned the form book — Matias Zukas came in leading the head-to-head 1–0. Bastian Malla claimed a first win over Matias Zukas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-28 | M15 Alkmaar 1 | QF | clay | Matias Zukas | 6-1 3-0 |
Averages over each player's completed matches in the selected window (12 vs 55). 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