Rodney Harmon has found grass courts difficult, recording 8–11 across 19 matches (42.1%). The numbers point to a surface that has not consistently suited the game — a key area of opportunity on the calendar.

At Grand Slam level (Wimbledon): Rodney Harmon is 3–4 (42.9%) across 7 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

By format on grass — best-of-five: 3–4 (42.9%); best-of-three: 5–7 (41.7%). Consistent regardless of format on grass — a sign of a well-rounded game that holds up as matches develop.

Best season: 1983 — 3–3 (50.0%) from 6 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.