Vitas Gerulaitis has an impressive hard court record of 155–56 across 211 matches (73.5% — strong). A win rate of that calibre over 211 matches is a reliable indicator of genuine quality on this surface. 8 titles on hard: Vienna, Little Rock, Sydney-1, Melbourne, Johannesburg-2, Toronto, Johannesburg, Basel — a record that reflects consistent ability to close out tournaments on this surface.

At Grand Slam level (Australian Open & US Open): Vitas Gerulaitis has been outstanding — 24–8 (75.0%) across 32 matches. Winning more than 7 in 10 Grand Slam matches on hard is the benchmark of an all-time great on this surface.

17 finals reached on hard — won 8, lost 9 (47% conversion) — capable of reaching finals consistently, with room to improve at the decisive moment. 25 semifinals. 38 quarterfinals.

vs. Top 10 on hard: 10–20 (33.3%, 30 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: 28–12 (70.0%); best-of-three: 127–44 (74.3%). Slightly stronger in three-set contests on hard, though the five-set record is still respectable.

Best season: 1977 — 5–1 (83.3%) from 6 matches. The best single-season display to date — a useful reference point as the hard record continues to develop.