Jose Edison Mandarino has found grass courts difficult, recording 6–14 across 20 matches (30.0%). 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 (Wimbledon): Jose Edison Mandarino has struggled at Grand Slam level on grass: 5–8 (38.5%) in 13 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on grass — best-of-five: 5–10 (33.3%); best-of-three: 1–4 (20.0%). Significantly better in five-set matches — a strong physical profile on grass that tends to tell as matches and tournaments progress.