Joao Sousa defeated Santiago Giraldo 6-3 7-5 3-6 6-1 in the Australian Open round of 64 on hard. The upset overturned the form book — Santiago Giraldo came in leading the head-to-head 2–1, defending last year's round of 64. Joao Sousa narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-24 | Gstaad | R32 | clay | Joao Sousa | 6-3 6-3 |
| 2015-04-20 | Barcelona | R32 | clay | Santiago Giraldo | 6-3 3-6 6-1 |
| 2013-02-25 | Acapulco | R16 | hard | Santiago Giraldo | 7-6(8) 7-5 |
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 175). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About