Joao Sousa defeated Marcel Granollers 6-3 6-3 in the St. Petersburg round of 16 on carpet. The result followed the form book — Joao Sousa came in leading the head-to-head 3–1. Joao Sousa extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-08-27 | US Open | R128 | hard | Joao Sousa | 6-2 6-2 6-3 |
| 2016-05-02 | Madrid Masters | R32 | clay | Joao Sousa | 6-3 6-3 |
| 2014-02-17 | Rio de Janeiro | R32 | clay | Joao Sousa | 2-6 6-3 7-5 |
| 2012-05-27 | Roland Garros | R128 | clay | Marcel Granollers | 6-2 3-6 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.