Jim Gurfein has found grass courts difficult, recording 4–6 across 10 matches (40.0%). 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): Jim Gurfein is 2–3 (40.0%) across 5 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: 2–3 (40.0%); best-of-three: 2–3 (40.0%). Consistent regardless of format on grass — a sign of a well-rounded game that holds up as matches develop.

Best season: 1981 — 2–3 (40.0%) from 5 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.