Allan McDonald has a competitive grass court record of 26–26 across 52 matches (50.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Wimbledon): Allan McDonald 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.

2 semifinals on grass without yet reaching a final — consistent deep runs that show the ability to string together wins across a full draw, with the step to the final still to come. 3 quarterfinals adds further depth to that picture.

By format on grass — best-of-five: 4–11 (26.7%); best-of-three: 22–15 (59.5%). 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: 1969 — 5–3 (62.5%) from 8 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.