Sebastien Lareau has found grass 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 (Wimbledon): Sebastien Lareau has struggled at Grand Slam level on grass: 4–7 (36.4%) in 11 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on grass — best-of-five: 4–7 (36.4%); best-of-three: 8–12 (40.0%). Slightly stronger in three-set contests on grass, though the five-set record is still respectable.

Best season: 1998 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.