Carlos Kirmayr has a competitive clay court record of 91–102 across 193 matches (47.2%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Carlos Kirmayr has reached 4 finals without yet claiming a title on clay — one of the finest margins in tennis.

At Grand Slam level (Roland Garros): Carlos Kirmayr has struggled at Grand Slam level on clay: 5–9 (35.7%) in 14 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

4 finals reached on clay — none converted into a title yet. Reaching 4 finals is a mark of real quality, but the gap between finalist and champion is one of the finest lines in the sport. 10 semifinals. 20 quarterfinals.

vs. Top 10 on clay: 2–12 (14.3%, 14 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: 12–20 (37.5%); best-of-three: 79–82 (49.1%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on clay.

Peak season: 1981 — 16–7 (69.6%) from 23 matches. That year captures the ceiling of what Carlos Kirmayr can do on clay when performing at their best and represents the standard to aim for.