Joao Cunha-Silva has found hard courts difficult, recording 13–19 across 32 matches (40.6%). 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 (Australian Open & US Open): Joao Cunha-Silva has struggled at Grand Slam level on hard: 1–4 (20.0%) in 5 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on hard — best-of-five: 3–4 (42.9%); best-of-three: 10–15 (40.0%). Slightly better in five-set matches on hard — a positive sign for the Slams specifically.

Best season: 1992 — 4–4 (50.0%) from 8 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.