Cecil Mamiit has found hard courts difficult, recording 46–76 across 122 matches (37.7%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Cecil Mamiit 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): Cecil Mamiit has struggled at Grand Slam level on hard: 3–10 (23.1%) in 13 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): Cecil Mamiit has struggled at Masters level on hard: 2–11 (15.4%) in 13 matches. Improving at this level is the clearest path to a stronger overall record 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. 2 semifinals. 5 quarterfinals.

vs. Top 10 on hard: 1–7 (12.5%, 8 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: 10–14 (41.7%); best-of-three: 36–62 (36.7%). Slightly better in five-set matches on hard — a positive sign for the Slams specifically.

Best season: 1999 — 13–12 (52.0%) from 25 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.