Joao Sousa defeated Denis Istomin 6-7 6-3 7-6 in the Gstaad round of 16 on clay. The result followed the form book — Joao Sousa came in leading the head-to-head 2–0. Joao Sousa extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-08 | s Hertogenbosch | R32 | grass | Joao Sousa | 6-2 0-6 6-2 |
| 2012-04-30 | Estoril | R16 | clay | Joao Sousa | 3-6 6-3 4-2 RET |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About