Brad Gilbert has an impressive hard court record of 322–149 across 471 matches (68.4% — strong). A win rate of that calibre over 471 matches is a reliable indicator of genuine quality on this surface. With 15 titles, among the most prolific hard court champions in the Open Era: Columbus, Livingston, Cleveland, Tel Aviv and 7 more.

At Grand Slam level (Australian Open & US Open): a positive 22–15 (59.5%) across 37 matches — a player who generally rises to the occasion at the Slams on hard.

ATP Masters 1000 on hard (Indian Wells, Miami, Canada, Cincinnati, Shanghai, Paris): a positive 19–17 (52.8%) across 36 matches — winning above .500 at this level, week in week out, is a genuine sign of quality on hard.

28 finals reached on hard — won 15, lost 13 (solid 54% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers on hard. 49 semifinals. 74 quarterfinals.

vs. Top 10 on hard: 13–34 (27.7%, 47 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: 33–21 (61.1%); best-of-three: 289–128 (69.3%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on hard.

Dominant season: 1989 — 40–8 (83.3%) from 48 matches. A campaign of 40 wins on hard in a single season is among the best single-season records the surface has seen — the clearest benchmark of what is achievable at peak level.