| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2018/2019 | Segunda B - Group 1 | 25 | 1365 | 4 | 0 | 0.26 | — |
| 2020 | Primera Division (Uruguay) | 27 | 2022 | 7 | 0 | 0.31 | — |
| 2021 | Primera Division (Uruguay) | 5 | 68 | 1 | 0 | — | — |
| 2022 | Primera Division (Uruguay) | 36 | 2707 | 7 | 3 | 0.33 | — |
| 2023 | Liga Profesional de Fútbol | 8 | 306 | 2 | 0 | 0.59 | 6.71 |
| 2023 | Primera Division (Uruguay) | 22 | 1475 | 9 | 2 | 0.67 | 7.34 |
| 2024 | Liga Profesional de Fútbol | 5 | 110 | 0 | 0 | 0 | 6.87 |
| 2024/2025 | A-League Men | 28 | 2458 | 9 | 2 | 0.4 | 7.4 |
| 2025/2026 | A-League Men | 26 | 1529 | 6 | 4 | 0.59 | 6.94 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-25
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Wellington Phoenix | 6 | 6 | 0 | 0 | 2 | 2 | 2 | 0 |
 Central Coast Mariners | 5 | 2 | 2 | 1 | 2 | 0 | 0 | 0 |
 Melbourne Victory | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
 Sydney | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 |
 Perth Glory | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
 Melbourne City | 4 | 2 | 1 | 1 | 3 | 1 | 0 | 0 |
 Newcastle Jets | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 0 |
 Brisbane Roar | 4 | 3 | 1 | 0 | 0 | 1 | 0 | 0 |
 Western Sydney Wanderers | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Adelaide United | 4 | 1 | 3 | 0 | 2 | 0 | 1 | 0 |
 Macarthur | 4 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
 Western United | 3 | 1 | 0 | 2 | 1 | 0 | 0 | 0 |
 Boca Juniors | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Liverpool | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Cerro Largo | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
 Peñarol | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Argentinos Juniors | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Defensa y Justicia | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Palestino | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Platense | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Guillermo May closed the 2025/2026 A-League Men campaign on 6 goals and 4 assists from 26 outings (1,529 minutes) — 0.59 goal involvements per 90. That season graded out at an average match rating of 6.94.
His ratings range from 6.71 (2023) up to 7.4 in 2024/2025, A-League Men. Compared with his earlier career average, the last two rated seasons are up by 0.2.
