Karol Beck has found clay courts difficult, recording 2–20 across 22 matches (9.1%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

At Grand Slam level (Roland Garros): Karol Beck has yet to record a win on clay at this stage — 0–5 across 5 Grand Slam matches. Breaking through here would mark a significant step forward on this surface.

ATP Masters 1000 on clay (Monte Carlo, Madrid, Rome): Karol Beck has struggled at Masters level on clay: 1–4 (20.0%) in 5 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

vs. Top 10 on clay: 0–3 (0.0%, 3 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: 0–6 (0.0%); best-of-three: 2–14 (12.5%). 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: 2003 — 1–8 (11.1%) from 9 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.