Davide Sanguinetti defeated Hernan Gumy 6-7 7-5 6-4 7-6 in the Roland Garros round of 64 on clay. The upset overturned the form book — Hernan Gumy came in leading the head-to-head 1–0, defending last year's round of 32. Davide Sanguinetti claimed a first win over Hernan Gumy in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-05 | Bastad | R32 | clay | Hernan Gumy | 6-2 6-1 |
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 59). ATP, WTA & Challenger.