Peter Feigl has a competitive grass court record of 21–25 across 46 matches (45.7%). The record shows a player capable of competing here, though there is clear room to push the win rate higher.

At Grand Slam level (Wimbledon): Peter Feigl has struggled at Grand Slam level on grass: 7–11 (38.9%) in 18 matches. The best-of-five format and elite fields make this the toughest benchmark on this surface.

By format on grass — best-of-five: 7–13 (35.0%); best-of-three: 14–12 (53.8%). Markedly stronger in three-set formats; the win rate drops noticeably in five-setters, which has direct implications for Grand Slam performance on grass.

Best season: 1978 — 6–5 (54.5%) from 11 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.