Marc Flur has found grass courts difficult, recording 11–16 across 27 matches (40.7%). 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 (Wimbledon): Marc Flur has struggled at Grand Slam level on grass: 2–4 (33.3%) in 6 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on grass — best-of-five: 2–4 (33.3%); best-of-three: 9–12 (42.9%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on grass.

Best season: 1985 — 6–7 (46.2%) from 13 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.