

Joao Fonseca defeated Casper Ruud 7-5 5-7 6-2 in the Roland Garros round of 16 on clay. The upset overturned the form book — Casper Ruud came in ranked #17, defending last year's round of 64. Joao Fonseca extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-07 | Montreal | R32 | hard | Joao Fonseca | 6-7(6) 3-6 |
Averages over each player's completed matches in the selected window (31 vs 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Ruud C.: 3 days rest · 1 match, 15 games (7d) · Fonseca J.: 3 days rest · 1 match, 23 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About