Ezio Di Matteo has found clay courts difficult, recording 29–36 across 65 matches (44.6%). 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): Ezio Di Matteo has struggled at Grand Slam level on clay: 3–6 (33.3%) in 9 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on clay — best-of-five: 8–10 (44.4%); best-of-three: 21–26 (44.7%). Consistent regardless of format on clay — a sign of a well-rounded game that holds up as matches develop.

Best season: 1968 — 9–6 (60.0%) from 15 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.