Joaquin Loyo-Mayo has a competitive grass court record of 28–29 across 57 matches (49.1%). 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): Joaquin Loyo-Mayo is 11–10 (52.4%) across 21 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: 15–12 (55.6%); best-of-three: 13–17 (43.3%). Significantly better in five-set matches — a strong physical profile on grass that tends to tell as matches and tournaments progress.

Best season: 1968 — 8–5 (61.5%) from 13 matches. The best single-season display to date — a useful reference point as the grass record continues to develop.