

Joao Fonseca defeated Arthur Fils 6-0 6-4 in the Rio de Janeiro round of 32 on clay. The upset overturned the form book — Arthur Fils came in ranked #23. Joao Fonseca extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-12-18 | Next Gen Finals | RR | hard | Joao Fonseca | 3-4 4-2 4-1 1-4 4-1 |
| 2024-02-19 | Rio de Janeiro | R32 | clay | Joao Fonseca | 6-0 6-4 |
Averages over each player's completed matches in the selected window (126 vs 128). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). 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