Tomas Zib has found hard courts difficult, recording 20–42 across 62 matches (32.3%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

At Grand Slam level (Australian Open & US Open): Tomas Zib 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): Tomas Zib has struggled at Masters level on hard: 1–6 (14.3%) in 7 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

vs. Top 10 on hard: 0–5 (0.0%, 5 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: 1–7 (12.5%); best-of-three: 19–35 (35.2%). 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: 1999 — 3–2 (60.0%) from 5 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.