Hans Gildemeister holds a solid clay court record of 209–131 across 340 matches (61.5%). A winning majority across 340 matches shows consistent ability to get results on clay. 4 titles on clay: Santiago, Bordeaux, Barcelona — a record that reflects consistent ability to close out tournaments on this surface.

At Grand Slam level (Roland Garros): a positive 24–12 (66.7%) across 36 matches — a player who generally rises to the occasion at the Slams on clay.

6 finals reached on clay — won 4, lost 2 (solid 67% conversion) — consistently getting to finals and winning the majority is a hallmark of elite performers on clay. 12 semifinals. 43 quarterfinals.

vs. Top 10 on clay: 5–28 (15.2%, 33 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: 38–15 (71.7%); best-of-three: 171–116 (59.6%). Significantly better in five-set matches — a strong physical profile on clay that tends to tell as matches and tournaments progress.

Dominant season: 1979 — 30–10 (75.0%) from 40 matches. A campaign of 30 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.