| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2008/2009 | 2. Bundesliga | 16 | 642 | 2 | 0 | 0.28 | — |
| 2009/2010 | 2. Bundesliga | 23 | 1692 | 2 | 0 | 0.11 | — |
| 2010/2011 | 2. Bundesliga | 34 | 2654 | 7 | 0 | 0.24 | — |
| 2012/2013 | Super Lig | 34 | — | 11 | 0 | — | — |
| 2013/2014 | Super Lig | 34 | — | 8 | 0 | — | — |
| 2014/2015 | Super Lig | 30 | — | 8 | 0 | — | — |
| 2015/2016 | Super Lig | 33 | — | 5 | 5 | — | — |
| 2016/2017 | Super Lig | 12 | 1063 | 1 | 7 | 0.68 | — |
| 2017/2018 | Super Lig | 27 | 1789 | 4 | 5 | 0.45 | — |
| 2017/2018 | U19 League | 1 | 90 | 1 | 0 | 1 | — |
| 2018/2019 | Super Lig | 19 | 889 | 2 | 3 | 0.51 | — |
| 2018/2019 | U19 League | 1 | 90 | 1 | 0 | 1 | — |
| 2019/2020 | Super Lig | 33 | 1442 | 1 | 2 | 0.19 | 6.85 |
| 2020/2021 | Super Lig | 12 | 389 | 0 | 0 | 0 | 6.66 |
| 2022/2023 | 2. Lig: Beyaz | 18 | 1503 | 1 | 0 | 0.06 | — |
| 2023/2024 | 2. Lig: Beyaz | 22 | 456 | 0 | 0 | 0 | — |
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 2026-07-28
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Konyaspor | 19 | 5 | 8 | 6 | 2 | 1 | 1 | 0 |
 Fenerbahçe | 17 | 4 | 8 | 5 | 3 | 0 | 4 | 1 |
 Galatasaray | 15 | 5 | 3 | 7 | 0 | 0 | 2 | 1 |
 Gençlerbirliği | 15 | 8 | 6 | 1 | 5 | 0 | 4 | 0 |
 Kayserispor | 15 | 8 | 2 | 5 | 3 | 0 | 1 | 0 |
 Kasımpaşa | 15 | 8 | 1 | 6 | 2 | 1 | 1 | 0 |
 Bursaspor | 15 | 12 | 2 | 1 | 3 | 0 | 1 | 0 |
 Antalyaspor | 14 | 10 | 2 | 2 | 4 | 1 | 0 | 0 |
 Sivasspor | 14 | 6 | 2 | 6 | 2 | 1 | 1 | 0 |
 Akhisar Belediyespor | 14 | 8 | 3 | 3 | 2 | 1 | 4 | 0 |
 İstanbul Başakşehir | 13 | 1 | 9 | 3 | 1 | 0 | 1 | 0 |
 Trabzonspor | 12 | 7 | 3 | 2 | 2 | 1 | 0 | 0 |
 Rizespor | 11 | 7 | 4 | 0 | 1 | 0 | 1 | 0 |
 Alanyaspor | 9 | 3 | 2 | 4 | 1 | 0 | 1 | 0 |
 Gaziantepspor | 9 | 7 | 1 | 1 | 3 | 2 | 0 | 0 |
 Karabükspor | 9 | 5 | 3 | 1 | 1 | 0 | 0 | 0 |
 Eskişehirspor | 8 | 5 | 2 | 1 | 1 | 0 | 1 | 0 |
 Beşiktaş | 8 | 1 | 2 | 5 | 1 | 0 | 0 | 0 |
 Mersin İdman yurdu | 6 | 6 | 0 | 0 | 2 | 2 | 0 | 0 |
 Yeni Malatyaspor | 6 | 3 | 0 | 3 | 0 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sweden | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Qatar | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
 Greece | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 United States | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Honduras | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Denmark | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Kazakhstan | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Slovenia | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Belarus | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Austria | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 England | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Republic of Ireland | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 North Macedonia | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Bulgaria | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Russia | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Brazil | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Spain | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Latvia | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Moldova | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Luxembourg | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Olcay Şahan's 22 outings in the 2023/2024 2. Lig: Beyaz (456 minutes) produced no goals and no assists.
His league record spans 16 seasons (2008–2023) across 9 clubs. No season rated higher than 2019/2020 (6.85, Super Lig); none lower than 2020/2021 (6.66).
