John Austin has found grass courts difficult, recording 8–16 across 24 matches (33.3%). 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): John Austin 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: 4–9 (30.8%). Slightly better in five-set matches on grass — a positive sign for the Slams specifically.

Best season: 1980 — 3–4 (42.9%) from 7 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.