Attila Balazs defeated Pedro Martinez 2-6 6-4 6-2 in the ATP Rio de Janeiro quarter-final on clay. The upset overturned the form book — Pedro Martinez came in leading the head-to-head 1–0. Attila Balazs claimed a first win over Pedro Martinez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-10 | Buenos Aires | Q1 | clay | Pedro Martinez | 5-7 6-4 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.