Grant Stafford has found clay courts difficult, recording 7–14 across 21 matches (33.3%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Grant Stafford has reached 1 final without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Grant Stafford has yet to record a win on clay at this stage — 0–3 across 3 Grand Slam matches. Breaking through here would mark a significant step forward on this surface.

One final reached on clay, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 1 semifinal. 1 quarterfinal.

By format on clay — best-of-five: 0–3 (0.0%); best-of-three: 7–11 (38.9%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Best season: 1997 — 4–3 (57.1%) from 7 matches. The best single-season display to date — a useful reference point as the clay record continues to develop.