Guillaume Rufin has a competitive hard court record of 9–11 across 20 matches (45.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Australian Open & US Open): Guillaume Rufin has struggled at Grand Slam level on hard: 3–5 (37.5%) in 8 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Guillaume Rufin has struggled at Masters level on hard: 1–2 (33.3%) in 3 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

By format on hard — best-of-five: 3–5 (37.5%); best-of-three: 6–6 (50.0%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on hard.

Best season: 2010 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.