James Duckworth has found grass courts difficult, recording 12–21 across 33 matches (36.4%). 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): James Duckworth has struggled at Grand Slam level on grass: 3–8 (27.3%) in 11 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

vs. Top 10 on grass: 0–4 (0.0%, 4 matches). Top 10 opponents have represented a clear ceiling on grass; addressing that deficit is the single biggest lever for improving the overall record here.

By format on grass — best-of-five: 3–8 (27.3%); best-of-three: 9–13 (40.9%). 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: 2021 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.