Sebastian Baez has found hard courts difficult, recording 38–63 across 101 matches (37.6%). 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 7–9 (43.8%) across 16 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: 10–23 (30.3%) in 33 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: 7–9 (43.8%); best-of-three: 31–54 (36.5%). Slightly better in five-set matches on hard — a positive sign for the Slams specifically.

Best season: 2026 — 12–6 (66.7%) from 18 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.

Recent Form 2026: 12–6 (66.7%) on hard. Last 10: W L W W L L W L W L — mixed results, some inconsistency in the current period.