Fernando Dalla-Fontana has found clay courts difficult, recording 11–28 across 39 matches (28.2%). 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): Fernando Dalla-Fontana has yet to record a win on clay at this stage — 0–1 across 1 Grand Slam match. Breaking through here would mark a significant step forward on this surface.

vs. Top 10 on clay: 0–5 (0.0%, 5 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: 1–2 (33.3%); best-of-three: 10–26 (27.8%). Slightly better in five-set matches on clay — a positive sign for the Slams specifically.

Best season: 1981 — 6–8 (42.9%) from 14 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.