Eddie Dibbs has an impressive clay court record of 386–139 across 525 matches (73.5% — strong). A win rate of that calibre over 525 matches is a reliable indicator of genuine quality on this surface. With 13 titles, among the most prolific clay court champions in the Open Era: Hamburg, Tehran, Miami, Cincinnati and 6 more.

At Grand Slam level (Roland Garros): Eddie Dibbs has been outstanding — 36–12 (75.0%) across 48 matches. Winning more than 7 in 10 Grand Slam matches on clay is the benchmark of an all-time great on this surface.

26 finals reached on clay — won 13, lost 13 (solid 50% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers on clay. 54 semifinals. 83 quarterfinals.

vs. Top 10 on clay: 25–55 (31.3%, 80 matches). Top 10 opponents have represented a clear ceiling on clay; addressing that deficit is the single biggest lever for improving the overall record here.

By format on clay — best-of-five: 39–23 (62.9%); best-of-three: 347–116 (74.9%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Dominant season: 1978 — 40–9 (81.6%) from 49 matches. A campaign of 40 wins on clay 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.