Martin Blackman has found clay courts difficult, recording 0–7 across 7 matches (0.0%). 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): Martin Blackman 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.

By format on clay — best-of-five: 0–3 (0.0%); best-of-three: 0–4 (0.0%). Consistent regardless of format on clay — a sign of a well-rounded game that holds up as matches develop.