| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | New South Wales | 10 | 532 | 0 | 0 | 0 | — |
| 2022 | New South Wales | 12 | 234 | 0 | 0 | 0 | — |
| 2023 | New South Wales | 26 | 1834 | 1 | 1 | 0.1 | — |
| 2025 | New South Wales | 24 | 2137 | 0 | 2 | 0.08 | 7.01 |
| 2026 | New South Wales | 17 | 1449 | 1 | 0 | 0.06 | 6.66 |
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 2026-07-26
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sydney Olympic | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Manly United | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 APIA Leichhardt Tigers | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 Wollongong Wolves | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sydney II | 3 | 1 | 1 | 1 | 0 | 0 | 2 | 1 |
 St George City FA | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Western Sydney W. II | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 Rockdale Ilinden FC | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 |
 Sutherland Sharks | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 |
 Mt Druitt Town | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Central Coast II | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Central Coast Mariners | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Adelaide United | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Sydney United 58 FC | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Marconi Stallions | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 St. George Saints | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 North Shore Mariners | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 NWS Spirit | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bulls Academy | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Across 17 New South Wales appearances in 2026 (1,449 minutes), Nicholas O'Brien scored 1 goal but did not register an assist — 0.06 goal involvements per 90. That season graded out at an average match rating of 6.66.
The database holds 5 league seasons for him, from 2021 to 2026, all with a single club. No season rated higher than 2025 (7.01, New South Wales); none lower than 2026 (6.66).
