| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2013/2014 | Super League (Greece) | 2 | 44 | 0 | 0 | — | — |
| 2014/2015 | Super League (Greece) | 14 | 499 | 0 | 0 | 0 | — |
| 2015/2016 | 1. Division | 19 | 720 | 6 | 0 | 0.75 | — |
| 2016/2017 | Super League (Greece) | 19 | 963 | 5 | 1 | 0.56 | — |
| 2017/2018 | Super League (Greece) | 13 | 555 | 3 | 0 | 0.49 | — |
| 2018/2019 | Super League (Greece) | 28 | 2503 | 19 | 3 | 0.79 | — |
| 2019/2020 | Ligue 1 | 24 | 1543 | 4 | 2 | 0.35 | 6.88 |
| 2020/2021 | Ligue 2 | 8 | 429 | 0 | 0 | 0 | 6.86 |
| 2021/2022 | Super League (Greece) | 32 | 2821 | 14 | 3 | 0.54 | — |
| 2022/2023 | Admiral Bundesliga | 14 | 338 | 1 | 1 | 0.53 | 6.7 |
| 2022/2023 | Super Lig | 10 | 471 | 3 | 0 | 0.57 | 6.88 |
| 2023/2024 | Ekstraklasa | 34 | 2893 | 12 | 3 | 0.47 | 7.25 |
| 2024/2025 | Ekstraklasa | 32 | 2814 | 28 | 2 | 0.96 | 7.64 |
| 2025/2026 | Ekstraklasa | 4 | 334 | 3 | 0 | 0.81 | 6.84 |
| 2025/2026 | Division 1 | 36 | 3139 | 23 | 5 | 0.8 | 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 2026-08-19
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Asteras Tripolis | 15 | 5 | 5 | 5 | 5 | 1 | 0 | 0 |
 Panathinaikos | 14 | 5 | 1 | 8 | 2 | 0 | 1 | 0 |
 Atromitos | 11 | 7 | 1 | 3 | 2 | 0 | 0 | 0 |
 Panaitolikos | 10 | 6 | 1 | 3 | 3 | 1 | 0 | 0 |
 PAS Giannina | 10 | 5 | 3 | 2 | 3 | 0 | 2 | 0 |
 Panionios | 9 | 5 | 3 | 1 | 3 | 0 | 0 | 0 |
 Levadiakos | 8 | 6 | 1 | 1 | 0 | 0 | 0 | 0 |
 OFI | 7 | 1 | 3 | 3 | 1 | 0 | 0 | 0 |
 Apollon Smirnis | 7 | 5 | 2 | 0 | 5 | 1 | 1 | 0 |
 AEK Athens | 7 | 1 | 0 | 6 | 1 | 0 | 1 | 0 |
 Xanthi | 7 | 3 | 3 | 1 | 2 | 0 | 0 | 0 |
 Olympiacos F.C. | 6 | 0 | 1 | 5 | 2 | 0 | 0 | 0 |
 Larissa | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 1 |
 Lamia | 6 | 3 | 2 | 1 | 4 | 0 | 0 | 0 |
 Kerkyra | 6 | 6 | 0 | 0 | 1 | 1 | 0 | 0 |
 Omonia Nicosia | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 AEK Larnaca | 4 | 0 | 1 | 3 | 1 | 0 | 2 | 0 |
 Piast Gliwice | 4 | 2 | 0 | 2 | 3 | 0 | 0 | 0 |
 APOEL | 4 | 1 | 2 | 1 | 1 | 0 | 0 | 0 |
 Radomiak Radom | 4 | 1 | 0 | 3 | 1 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Saudi Arabia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Finland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bosnia and Herzegovina | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Cyprus | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Romania | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Armenia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Austria | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Italy | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Estonia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Switzerland | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Turkey | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Moldova | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Montenegro | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Liechtenstein | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
 San Marino U21 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Austria U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Moldova U21 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Croatia U21 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The 2025/2026 Division 1 line for Efthymios Koulouris: 36 appearances (3,139 minutes), 23 goals, 5 assists — 0.8 goal involvements per 90. GioScore's computed rating for the season averages 6.94.
At his best he averaged 7.64 in 2024/2025, Ekstraklasa; at his worst, 6.7 in 2022/2023. The recent direction is upward: 0.38 above his prior average across the last two rated seasons.
