Shigeyuki Nishio has found hard courts difficult, recording 3–4 across 7 matches (42.9%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

By format on hard — best-of-five: 3–0 (100.0%); best-of-three: 0–4 (0.0%). Significantly better in five-set matches — a strong physical profile on hard that tends to tell as matches and tournaments progress.