Stadium: Table 1 Round: 4
| WTT Contender Zagreb XD | 2025/06/26 09:00 | Gunduz/Altinkaya v Qian/Chen | L | 1-3 |
| WTT Contender Zagreb XD Quals | 2025/06/25 11:25 | Gunduz/Altinkaya v Bardet/Zarif | W | 3-2 |
| World Championship XD | 2025/05/19 13:00 | Ionescu/Samara v Gunduz/Altinkaya | L | 3-1 |
| WTT Contender Tunis XD Quals | 2025/04/24 13:20 | Huang/Ding v Gunduz/Altinkaya | L | 3-1 |
| WTT Feeder Cappadocia XD | 2025/02/20 16:30 | Han/Xue v Gunduz/Altinkaya | L | 3-0 |
| WTT Feeder Cappadocia XD | 2025/02/20 07:00 | Gunduz/Altinkaya v Kharki/Romanovskaya | W | 3-1 |
| WTT Feeder Cappadocia XD | 2025/02/19 06:00 | Gunduz/Altinkaya v Kulczycki/Wielgos | W | 3-2 |
| WTT Feeder Cagliari XD | 2024/10/25 08:00 | Ho/Yoo v Gunduz/Altinkaya | L | 3-0 |
| World University Games XD | 2025/07/22 17:45 | Okano/Idesawa v Han/Zeng | W | 4-3 |
| World University Games XD | 2025/07/21 16:00 | Okano/Idesawa v Thanmathikom/Tayapitak | W | 3-0 |