Colin Grant has a competitive hard court record of 12–10 across 22 matches (54.5%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

By format on hard — best-of-five: 9–6 (60.0%); best-of-three: 3–4 (42.9%). Significantly better in five-set matches — a strong physical profile on hard that tends to tell as matches and tournaments progress.

Best season: 1990 — 4–2 (66.7%) from 6 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Colin Grant recorded a notable 6-match winning streak on hard — a run that demonstrates consistency across consecutive draws on this surface.