Quentin Halys has found clay courts difficult, recording 14–20 across 34 matches (41.2%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Quentin Halys has reached 1 final without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Quentin Halys has struggled at Grand Slam level on clay: 5–9 (35.7%) in 14 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

ATP Masters 1000 on clay (Monte Carlo, Madrid, Rome): Quentin Halys has struggled at Masters level on clay: 1–3 (25.0%) in 4 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

One final reached on clay, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 2 semifinals. 2 quarterfinals.

vs. Top 10 on clay: 0–6 (0.0%, 6 matches). Top 10 opponents have represented a clear ceiling on clay; addressing that deficit is the single biggest lever for improving the overall record here.

By format on clay — best-of-five: 5–9 (35.7%); best-of-three: 9–11 (45.0%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Best season: 2024 — 4–1 (80.0%) from 5 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.

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