Chun-Hsin Tseng has found hard courts difficult, recording 11–27 across 38 matches (28.9%). 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): Chun-Hsin Tseng has yet to record a win on hard at this stage — 0–4 across 4 Grand Slam matches. Breaking through here would mark a significant step forward on this surface.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Chun-Hsin Tseng has struggled at Masters level on hard: 2–5 (28.6%) in 7 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

By format on hard — best-of-five: 0–7 (0.0%); best-of-three: 11–20 (35.5%). 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: 2022 — 3–9 (25.0%) from 12 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Recent Form 2026: 2–1 (66.7%) on hard. Last 3: L W W