Cassio Motta has found hard courts difficult, recording 36–52 across 88 matches (40.9%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Cassio Motta 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): Cassio Motta has struggled at Grand Slam level on hard: 1–7 (12.5%) 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): Cassio Motta 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.

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. 4 semifinals. 8 quarterfinals.

vs. Top 10 on hard: 0–3 (0.0%, 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: 3–9 (25.0%); best-of-three: 33–43 (43.4%). 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: 1988 — 6–4 (60.0%) from 10 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.