Tony Parun has found grass courts difficult, recording 7–19 across 26 matches (26.9%). 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): Tony Parun has yet to record a win on grass at this stage — 0–1 across 1 Grand Slam match. Breaking through here would mark a significant step forward on this surface.

By format on grass — best-of-five: 1–9 (10.0%); best-of-three: 6–10 (37.5%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on grass.

Best season: 1973 — 5–5 (50.0%) from 10 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.