Grega Zemlja defeated Santiago Giraldo 6-1 6-4 6-1 in the Roland Garros round of 128 on clay. The upset overturned the form book — Santiago Giraldo came in leading the head-to-head 1–0, defending last year's round of 32. Grega Zemlja claimed a first win over Santiago Giraldo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-29 | Roland Garros | Q1 | clay | Santiago Giraldo | 6-1 6-4 |
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 (142 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About