Joao Fonseca has a competitive grass court record of 5–6 across 11 matches (45.5%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Wimbledon): a positive 4–2 (66.7%) across 6 matches — a player who generally rises to the occasion at the Slams on grass.

By format on grass — best-of-five: 4–2 (66.7%); best-of-three: 1–4 (20.0%). Significantly better in five-set matches — a strong physical profile on grass that tends to tell as matches and tournaments progress.

Best season: 2025 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.

Recent Form 2026: 2–2 (50.0%) on grass. Last 4: L W W L — mixed results, some inconsistency in the current period.