Glenn Weiner has found hard courts difficult, recording 11–22 across 33 matches (33.3%). 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): 1–2 across just 3 matches — still very early days at this level on hard.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): Glenn Weiner 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.

By format on hard — best-of-five: 1–2 (33.3%); best-of-three: 10–20 (33.3%). Consistent regardless of format on hard — a sign of a well-rounded game that holds up as matches develop.

Best season: 2004 — 4–7 (36.4%) from 11 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.