Ron Holmberg has a competitive grass court record of 18–18 across 36 matches (50.0%). The record shows a player capable of competing here, though there is clear room to push the win rate higher. Claimed 1 title on grass: Southampton.

At Grand Slam level (Wimbledon): Ron Holmberg is 7–8 (46.7%) across 15 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

One final reached on grass, converted into a title — a perfect finals record on this surface. 1 semifinal. 2 quarterfinals.

By format on grass — best-of-five: 8–9 (47.1%); best-of-three: 10–9 (52.6%). Slightly stronger in three-set contests on grass, though the five-set record is still respectable.

Best season: 1968 — 10–4 (71.4%) from 14 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.

Ron Holmberg recorded a notable 6-match winning streak on grass — a run that demonstrates consistency across consecutive draws on this surface.