Bernard Balleret has found clay courts difficult, recording 12–19 across 31 matches (38.7%). 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): Bernard Balleret has yet to record a win on clay at this stage — 0–2 across 2 Grand Slam matches. Breaking through here would mark a significant step forward on this surface.

By format on clay — best-of-five: 11–14 (44.0%); best-of-three: 1–5 (16.7%). Significantly better in five-set matches — a strong physical profile on clay that tends to tell as matches and tournaments progress.