| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015/2016 | A-League Men | 7 | 100 | 0 | 0 | 0 | 6.67 |
| 2016/2017 | A-League Men | 2 | 134 | 0 | 0 | 0 | 6.53 |
| 2017/2018 | A-League Men | 3 | 27 | 0 | 0 | — | 6.66 |
| 2017/2018 | National Youth League | 6 | 476 | 2 | 0 | 0.38 | — |
| 2018/2019 | National Youth League | 8 | 671 | 3 | 2 | 0.67 | — |
| 2019/2020 | National Youth League | 5 | 336 | 8 | 0 | 2.14 | — |
| 2019/2020 | A-League Men | 9 | 118 | 1 | 0 | 0.76 | 6.65 |
| 2020/2021 | A-League Men | 11 | 323 | 0 | 0 | 0 | 6.6 |
| 2022 | Npl Victoria | 8 | 616 | 1 | 0 | 0.15 | — |
| 2023 | New South Wales | 26 | 2027 | 10 | 3 | 0.58 | — |
| 2026 | New South Wales | 21 | 1816 | 8 | 1 | 0.45 | 7.14 |
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 2026-08-31
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sutherland Sharks | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 |
 Mt Druitt Town | 2 | 2 | 0 | 0 | 1 | 1 | 0 | 0 |
 Canberra United U21 | 2 | 1 | 1 | 0 | 4 | 0 | 0 | 0 |
 Sydney II | 2 | 0 | 1 | 1 | 2 | 0 | 0 | 0 |
 Sydney | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Perth Glory | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Melbourne City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Central Coast Mariners | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Brisbane Roar | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Green Gully | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Edgeworth Eagles | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Persija | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Blacktown City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Rockdale Ilinden FC | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Sydney United 58 FC | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 St. George Saints | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Manly United | 1 | 1 | 0 | 0 | 3 | 1 | 0 | 0 |
 WS Wanderers U21 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Central Coast U21 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Gold Coast Knights | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
In the 2026 New South Wales, Kostas Petratos made 21 appearances (1,816 minutes), with 8 goals and 1 assist — 0.45 goal involvements per 90. That season graded out at an average match rating of 7.14.
His league record spans 11 seasons (2015–2026) across 6 clubs. The 2026 rating of 7.14 is the best of his recorded career; his lowest came in 2020/2021 (6.6). Averaged over his last two rated seasons, he sits 0.21 above his earlier career level.
