| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015/2016 | 1. Division | 1 | — | 0 | 0 | — | — |
| 2016/2017 | 1. Division | 1 | 15 | 0 | 0 | — | — |
| 2017/2018 | 1. Division | 9 | 519 | 2 | 0 | 0.35 | — |
| 2018/2019 | 1. Division | 25 | 1084 | 1 | 0 | 0.08 | — |
| 2019/2020 | 1. Division | 21 | 1434 | 1 | 0 | 0.06 | — |
| 2020/2021 | Super League (Greece) | 3 | 66 | 0 | 0 | — | — |
| 2020/2021 | Super League 2 (Greece) | 12 | 475 | 3 | 0 | 0.57 | — |
| 2021/2022 | Super League 2 (Greece) | 25 | 1777 | 7 | 0 | 0.35 | — |
| 2022/2023 | Super League 2 - South (Greece) | 9 | 791 | 5 | 0 | 0.57 | — |
| 2023/2024 | Super League 2 - South (Greece) | 3 | 135 | 0 | 0 | 0 | — |
| 2023/2024 | Super League 2 (Greece) | 11 | — | 1 | 0 | — | — |
| 2024/2025 | Super League (Greece) | 30 | 2028 | 2 | 3 | 0.22 | 7.13 |
| 2025/2026 | Super League (Greece) | 26 | 2159 | 5 | 0 | 0.21 | 7.13 |
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 2026-07-31
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Apollon | 9 | 1 | 2 | 6 | 0 | 0 | 0 | 0 |
 Doxa | 8 | 4 | 2 | 2 | 1 | 0 | 1 | 0 |
 AEK Larnaca | 8 | 4 | 3 | 1 | 0 | 0 | 2 | 0 |
 Omonia Nicosia | 7 | 2 | 1 | 4 | 0 | 0 | 0 | 0 |
 APOEL | 7 | 0 | 1 | 6 | 0 | 0 | 0 | 0 |
 OFI | 6 | 1 | 2 | 3 | 0 | 0 | 1 | 0 |
 Olympiakos | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
 Alki Oroklini | 6 | 2 | 1 | 3 | 0 | 0 | 0 | 0 |
 Aris | 6 | 1 | 3 | 2 | 1 | 0 | 3 | 0 |
 Volos NFC | 6 | 4 | 1 | 1 | 0 | 0 | 2 | 0 |
 Panaitolikos | 5 | 2 | 2 | 1 | 1 | 0 | 2 | 0 |
 Anorthosis | 5 | 0 | 2 | 3 | 0 | 0 | 1 | 0 |
 AEL | 5 | 2 | 0 | 3 | 1 | 0 | 1 | 0 |
 Ermis | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 |
 Asteras Tripolis | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 |
 Panserraikos | 5 | 4 | 1 | 0 | 0 | 0 | 2 | 1 |
 Pafos FC | 5 | 3 | 0 | 2 | 1 | 0 | 0 | 0 |
 Atromitos | 5 | 1 | 2 | 2 | 0 | 0 | 2 | 0 |
 Panathinaikos | 4 | 0 | 1 | 3 | 0 | 0 | 1 | 0 |
 PAOK | 4 | 1 | 0 | 3 | 1 | 0 | 2 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kazakhstan | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Bosnia and Herzegovina | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Belarus | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Romania | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Austria | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Bulgaria | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Estonia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Czech Republic | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Belgium | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Moldova | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 San Marino | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Russia U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Portugal U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Scotland U19 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Montenegro U19 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Latvia U19 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Turkey U19 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 |
In 2025/2026, Giannis Kosti hit 5 goals over 26 Super League (Greece) outings (2,159 minutes) and provided no assists — 0.21 goal involvements per 90. That season graded out at an average match rating of 7.13.
No season rated higher than 2024/2025 (7.13, Super League (Greece)); none lower than 2024/2025 (7.13).
