Galatasaray· Süper Ligحقق أيهان أربعة ألقاب للدوري التركي مع غلطة سراي، بالإضافة إلى كأس تركيا وكأس السوبر التركي. كما فاز بلقب الدوري الألماني للدرجة الثانية مع فورتونا دوسلدورف ولقب الدوري الألماني تحت 19 سنة مع شالكه.
كان أيهان لاعبًا في صفوف شالكه الألماني قبل أن ينتقل إلى غلطة سراي التركي، حيث حقق معه أربعة ألقاب للدوري التركي. كما لعب لأندية مثل ساسولو الإيطالي وفنربخشة، وشارك مع المنتخب التركي في عدة بطولات دولية. يتميز بقدرته على اللعب في مركز الدفاع أو الوسط الدفاعي.
يتميز أيهان بقوته البدنية وقدرته على قراءة اللعب، مما يجعله مدافعًا صلبًا ولاعب وسط دفاعي موثوقًا. يجيد التمرير الطويل والدقيق، لكنه قد يفتقر إلى السرعة في بعض الأحيان. يلعب دورًا تكتيكيًا مهمًا في تنظيم خط الدفاع وقطع الكرات.
| Season | Comp | Apps | G | A | YC | RC | Min |
|---|---|---|---|---|---|---|---|
| 25/26 | TFF Süper Kupa | 2 | 0 | 0 | 0 | 0 | 22 |
| 25/26 | Türkiye Kupasi | 4 | 0 | 0 | 1 | 0 | 360 |
| 25/26 | Süper Lig | 19 | 1 | 0 | 1 | 0 | 381 |
| 25/26 | World Cup Qualification Playoffs | 0 | 0 | 0 | 0 | 0 | 0 |
| 25/26 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 45 |
| 25/26 | UEFA Champions League | 4 | 0 | 0 | 0 | 0 | 43 |
| 24/25 | UEFA Nations League B | 5 | 0 | 0 | 2 | 0 | 186 |
| 24/25 | TFF Süper Kupa | 1 | 0 | 0 | 0 | 0 | 90 |
| 24/25 | Türkiye Kupasi | 4 | 0 | 0 | 0 | 0 | 215 |
| 24/25 | Süper Lig | 30 | 1 | 4 | 6 | 0 | 1665 |
| 24/25 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 102 |
| 24/25 | UEFA Europa League | 7 | 0 | 0 | 1 | 0 | 555 |
| 24/25 | UEFA Champions League Qualifying | 1 | 0 | 0 | 1 | 0 | 90 |
| 23/24 | TFF Süper Kupa | 1 | 0 | 0 | 0 | 0 | 2 |
| 23/24 | Türkiye Kupasi | 1 | 0 | 0 | 0 | 0 | 90 |
| 23/24 | Süper Lig | 35 | 1 | 3 | 3 | 0 | 2088 |
| 23/24 | International Friendlies | 4 | 0 | 1 | 0 | 0 | 308 |
| 23/24 | UEFA Europa League | 2 | 0 | 0 | 0 | 1 | 123 |
| 23/24 | UEFA Champions League Qualifying | 5 | 0 | 0 | 1 | 0 | 132 |
| 23/24 | UEFA Champions League | 5 | 0 | 0 | 2 | 0 | 384 |
| 22/23 | UEFA Nations League C | 5 | 1 | 0 | 0 | 0 | 405 |
| 22/23 | Türkiye Kupasi | 1 | 1 | 0 | 0 | 0 | 90 |
| 22/23 | Süper Lig | 5 | 0 | 0 | 0 | 0 | 110 |
| 22/23 | Serie A | 10 | 0 | 0 | 1 | 0 | 542 |
| 22/23 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | European Qualifiers | 3 | 0 | 0 | 1 | 0 | 20 |
| 22/23 | Italy Cup | 1 | 1 | 0 | 0 | 0 | 90 |
| 21/22 | World Cup Qualification Playoffs | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | Serie A | 23 | 1 | 0 | 2 | 1 | 1348 |
| 21/22 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 81 |
| 21/22 | Italy Cup | 1 | 0 | 0 | 0 | 0 | 45 |
| 2025 | World Cup Qualifiers (Europe) | 1 | 0 | 0 | 0 | 0 | 20 |
| 2025 | UEFA Nations League Play-off | 1 | 0 | 0 | 0 | 0 | 27 |
| 2024 | UEFA Euro | 5 | 0 | 1 | 1 | 0 | 361 |
| 2021 | World Cup Qualifiers (Europe) | 7 | 0 | 0 | 1 | 0 | 393 |
| 2021 | UEFA Euro | 3 | 0 | 0 | 0 | 0 | 178 |
| 2011 | U17 World Cup | 7 | 1 | 0 | 0 | 0 | 532 |
| 2011 | UEFA Under-17 Euro | 3 | 1 | 0 | 0 | 0 | 190 |
| 20/21 | UEFA Nations League B | 3 | 0 | 1 | 0 | 0 | 182 |
| 20/21 | Serie A | 19 | 0 | 0 | 2 | 0 | 786 |
| 20/21 | International Friendlies | 4 | 1 | 1 | 0 | 0 | 300 |
| 20/21 | Italy Cup | 1 | 0 | 0 | 0 | 0 | 22 |
| 19/20 | Bundesliga | 31 | 2 | 3 | 10 | 0 | 2733 |
| 19/20 | DFB-Pokal | 3 | 0 | 0 | 0 | 0 | 330 |
| 18/19 | UEFA Nations League B | 3 | 0 | 0 | 0 | 0 | 225 |
| 18/19 | Bundesliga | 28 | 4 | 1 | 10 | 0 | 2451 |
| 18/19 | International Friendlies | 3 | 0 | 0 | 0 | 0 | 226 |
| 18/19 | European Qualifiers | 9 | 3 | 0 | 3 | 0 | 625 |
| 18/19 | DFB-Pokal | 3 | 0 | 0 | 0 | 0 | 270 |
| 17/18 | 2. Bundesliga | 31 | 1 | 2 | 8 | 0 | 2673 |
| 17/18 | International Friendlies | 5 | 0 | 0 | 1 | 0 | 368 |
| 17/18 | DFB-Pokal | 1 | 0 | 0 | 0 | 0 | 115 |
| 16/17 | World Cup Qualifiers (Europe) | 5 | 0 | 0 | 0 | 0 | 369 |
| 16/17 | 2. Bundesliga | 23 | 1 | 1 | 9 | 0 | 1972 |
| 16/17 | Bundesliga | 0 | 0 | 0 | 0 | 0 | 0 |
| 16/17 | International Friendlies | 3 | 0 | 0 | 1 | 0 | 156 |
| 16/17 | DFB-Pokal | 1 | 0 | 0 | 0 | 0 | 90 |
| 15/16 | UEFA European Under-21 Championship Qualifying | 2 | 1 | 0 | 0 | 0 | 180 |
| 15/16 | Bundesliga Playoffs | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | Bundesliga | 2 | 0 | 0 | 1 | 0 | 78 |
| 15/16 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 45 |
| 15/16 | UEFA Europa League | 4 | 0 | 1 | 0 | 0 | 222 |
| 15/16 | DFB-Pokal | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | Bundesliga | 15 | 0 | 0 | 3 | 0 | 958 |
| 14/15 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 77 |
| 14/15 | European Qualifiers | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | DFB-Pokal | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | UEFA Champions League | 4 | 0 | 1 | 0 | 0 | 228 |
| 13/14 | UEFA European Under-21 Championship Qualifying | 3 | 0 | 0 | 1 | 0 | 270 |
| 13/14 | Regionalliga West | 3 | 0 | 2 | 0 | 0 | 270 |
| 13/14 | Bundesliga | 14 | 1 | 0 | 4 | 0 | 876 |
| 13/14 | International Friendlies | 1 | 0 | 0 | 1 | 0 | 76 |
| 13/14 | DFB-Pokal | 0 | 0 | 0 | 0 | 0 | 0 |
| 13/14 | UEFA Champions League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 13/14 | UEFA Champions League | 1 | 0 | 0 | 0 | 0 | 81 |
| 12/13 | Bundesliga | 0 | 0 | 0 | 0 | 0 | 0 |
| 12/13 | A-Junioren Bundesliga West (- 23/24) | 23 | 15 | 5 | 3 | 1 | 2010 |
| 12/13 | German Under-19 Championship | 2 | 0 | 0 | 1 | 0 | 180 |
| 11/12 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 135 |
| 11/12 | DFB-Pokal der Junioren | 1 | 0 | 0 | 0 | 0 | 90 |
| 11/12 | A-Junioren Bundesliga West (- 23/24) | 23 | 7 | 5 | 7 | 0 | 2032 |
| 11/12 | German Under-19 Championship | 3 | 0 | 1 | 0 | 0 | 270 |
| 10/11 | UEFA European Under-17 Championship qualification | 6 | 0 | 0 | 1 | 0 | 314 |
| 10/11 | International Friendlies | 2 | 1 | 0 | 0 | 0 | 111 |
| 10/11 | B-Junioren Bundesliga West (- 23/24) | 15 | 8 | 6 | 3 | 0 | 1112 |
| 10/11 | A-Junioren Bundesliga West (- 23/24) | 8 | 2 | 2 | 0 | 0 | 580 |
| 10/11 | U17 Algarve Tournament | 2 | 0 | 0 | 0 | 0 | 80 |
| 09/10 | International Friendlies | 5 | 0 | 0 | 0 | 0 | 239 |
| 09/10 | B-Junioren Bundesliga West (- 23/24) | 24 | 7 | 3 | 3 | 0 | 1726 |