Reilly Opelka has a competitive grass court record of 12–13 across 25 matches (48.0%). 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): Reilly Opelka is 4–4 (50.0%) across 8 Grand Slam matches — below .500, though the elite draw depth at the Slams makes that a notoriously difficult barrier to crack.

2 semifinals on grass without yet reaching a final — consistent deep runs that show the ability to string together wins across a full draw, with the step to the final still to come.

By format on grass — best-of-five: 4–4 (50.0%); best-of-three: 8–9 (47.1%). Slightly better in five-set matches on grass — a positive sign for the Slams specifically.

Best season: 2025 — 6–4 (60.0%) from 10 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.

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