| WTT Contender Antalya MD | 10/20 07:50 | 3 | Gunduz/Abdullah Yigenler v Karlsson/Kallberg | L | 0-3 | |
| WTT Feeder Antalya MD | 03/29 12:20 | 4 | Abdullah Yigenler/Gunduz v Choong/Wong | L | 1-3 | |
| WTT Feeder Antalya MD Quals | 03/28 16:05 | - | Giardi/Mongiusti v Gunduz/Abdullah Yigenler | W | 0-3 | |
| European Championships MD | 08/16 16:40 | 5 | Andras/Majoros v Abdullah Yigenler/Gunduz | L | 3-0 | |
| WTT Contender Tunis MD Quals | 08/02 15:00 | - | Rolland/Rembert v Gunduz/Abdullah Yigenler | L | 3-2 | |
| WTT Contender Lima MD | 06/16 16:50 | 4 | Abdullah Yigenler/Gunduz v Lorenzo/Bentancor | L | 1-3 | |
| WTT Contender Lima MD Quals | 06/15 20:30 | - | Madrid/Rolland v Gunduz/Abdullah Yigenler | W | 1-3 | |
| WTT Contender Muscat MD | 03/01 07:00 | - | Cao/Xu v Abdullah Yigenler/Gunduz | L | 3-2 | |
| European Championships MD | 06/24 10:15 | 5 | Polansky/Sirucek v Yigenler/Gunduz | L | 3-1 | |
| European Championship MD | 06/23 07:35 | - | Gunduz/Abdullah Yigenler v Rech Daldosso/Hribar | W | 3-1 | |
| Hungarian Open MD | 02/19 12:20 | - | Achanta/Gnanasekaran v Gunduz/Abdullah Yigenler | L | 3-1 | |
| Belarus Open MD | 10/31 14:30 | - | Sidorenko/Skachkov v Gunduz/Abdullah Yigenler | L | 3-0 | |
| Belarus Open MD | 10/31 13:10 | - | Kenzhigulov/Zhamal v Gunduz/Abdullah Yigenler | W | 2-3 | |
| Bulgaria Open MD | 08/13 16:40 | - | Gunduz/Abdullah Yigenler v Cvetko/Hribar | L | 2-3 | |
| Balkan Champs MD | 08/04 10:30 | - | Gunduz/Abdullah Yigenler v Gunduz/Sahin Zihni | W | 3-1 | |
| Balkan Champs MD | 08/04 07:30 | - | Gunduz/Abdullah Yigenler v Cekic/Kostadinovic | W | 3-1 | |
| Balkan Champs MD | 08/03 15:00 | - | Gunduz/Abdullah Yigenler v Mladin/Zelko | W | 2-1 | |
| Paraguay Open U21 Women | 07/19 15:02 | - | Gunduz/Abdullah Yigenler v Bennet/Tianyuan | L | 2-3 | |
| Qatar Open XD | 11/16 09:40 | - | Alkhadrawi/Bu Shulaybi v Gunduz/Abdullah Yigenler | L | 3-1 | |
| Czech Republic Extraleague | 09/20 10:00 | 6 | Yigenler/Gunduz v Shibaev/Skachkov | L | 1-4 | |
| Qatar Open XD | 09/19 15:30 | 1 | Gunduz/Abdullah Yigenler v Kozul/Zibrat | W | 3-0 | |
| Czech Republic Extraleague | 08/16 09:00 | 4 | Ecseki/Szudi v Gunduz/Abdullah Yigenler | L | 3-0 | |
| Qatar Open XD | 03/11 11:20 | 1 | Zatowka/Badowski v Yigenler/Gunduz | W | 1-3 | |
| Qatar Open XD | 03/11 07:40 | 1 | Yigenler/Gunduz v Chernov/Abusev | W | 3-1 | |
| Qatar Open XD | 01/17 20:15 | 1 | Gunduz/Abdullah Yigenler v Konecny/Polansky | L | 0-3 | |
| Qatar Open XD | 11/01 17:49 | - | Abdullah Yigenler/Gunduz v Tran/Brodd | W | 3-0 | |
| Qatar Open XD | 08/23 19:30 | 1 | Gunduz/Abdullah Yigenler v Gardos/Habesohn | L | 2-3 | |
| Qatar Open XD | 08/17 09:00 | 1 | Anthony/Shetty v Gunduz/Abdullah Yigenler | L | 3-2 | |
| Czech Republic Extraleague | 05/30 18:15 | 6 | Yigenler/Gunduz v Jeoung/Lee | L | 2-4 | |
| Qatar Open Women | 03/18 07:30 | - | Kizukuri/Takami v Gunduz/Yigenler | L | 3-2 |