Gilles Moretton has found hard courts difficult, recording 21–26 across 47 matches (44.7%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Gilles Moretton has reached 1 final without yet claiming a title on hard — one of the finest margins in tennis.

At Grand Slam level (Australian Open & US Open): Gilles Moretton has struggled at Grand Slam level on hard: 2–4 (33.3%) in 6 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

One final reached on hard, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 1 semifinal. 4 quarterfinals.

vs. Top 10 on hard: 1–2 (33.3%, 3 matches). Top 10 opponents have represented a clear ceiling on hard; addressing that deficit is the single biggest lever for improving the overall record here.

By format on hard — best-of-five: 2–3 (40.0%); best-of-three: 19–23 (45.2%). Slightly stronger in three-set contests on hard, though the five-set record is still respectable.

Best season: 1981 — 10–5 (66.7%) from 15 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.