Sebastian Baez has found hard courts difficult, recording 39–67 across 106 matches (36.8%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar. Claimed 1 title on hard: Winston-Salem.

At Grand Slam level (Australian Open & US Open): Sebastian Baez is 7–10 (41.2%) across 17 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Sebastian Baez has struggled at Masters level on hard: 11–24 (31.4%) in 35 matches. Improving at this level is the clearest path to a stronger overall record on this surface.

3 finals reached on hard — won 1, lost 2 (33% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 4 semifinals. 4 quarterfinals.

vs. Top 10 on hard: 2–10 (16.7%, 12 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: 7–10 (41.2%); best-of-three: 32–57 (36.0%). Slightly better in five-set matches on hard — a positive sign for the Slams specifically.

Best season: 2026 — 13–10 (56.5%) from 23 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Recent Form 2026: 13–10 (56.5%) on hard. Last 10: L W L W L W L L L L — mixed results, some inconsistency in the current period.