Stadium: Table 2 Round: 4
| WTT Feeder Panagyurishte XD | 2023/08/31 07:35 | He/Zhou v Gunduz/Altinkaya | L | 3-0 |
| European Games XD | 2023/06/24 11:30 | Mittelham/Qiu v Gunduz/Altinkaya | L | 3-1 |
| ITTF World Championships XD | 2023/05/21 18:00 | Ionescu/Szocs v Gunduz/Altinkaya | L | 3-0 |
| WTT Feeder Antalya XD | 2023/03/30 07:00 | Gunduz/Altinkaya v Levajac/Lupulesku | L | 0-3 |
| WTT Feeder Antalya XD | 2023/03/29 07:35 | Gunduz/Altinkaya v Choong/Lyne | W | 3-2 |
| European Championships XD | 2022/08/14 07:30 | Dyjas/Partyka v Gunduz/Altinkaya | L | 3-0 |
| European Championships XD | 2022/08/13 12:45 | Gunduz/Altinkaya v Alexandrov/Trifonova | W | 3-1 |
| WTT Contender Tunis XD | 2022/08/04 11:00 | Feng/Chen v Gunduz/Altinkaya | L | 3-0 |