Stadium: COURT 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Antalya | 2021/02/24 10:00 | Koray Kirci v Dragos Nicolae Madaras | 2-6,0-6 |
| ITF M15 Antalya | 2021/02/07 06:00 | Dan Alexandru Tomescu v Koray Kirci | 6-3,6-1 |
| Challenger Istanbul | 2021/01/17 08:45 | Koray Kirci v Ramkumar Ramanathan | 3-6,2-6 |
| Eastern European Championship | 2020/11/20 12:30 | Bart Stevens v Koray Kirci | 6-4,6-1 |
| Eastern European Championship | 2020/11/19 12:55 | Jaimee Floyd Angele v Koray Kirci | 6-4,6-2 |
| Eastern European Championship | 2020/11/18 10:55 | Duje Kekez v Koray Kirci | 6-4,2-6,4-6 |
| Eastern European Championship | 2020/11/16 09:30 | Nerman Fatic v Koray Kirci | 6-4,6-0 |
| Challenger Istanbul | 2020/10/17 07:30 | Koray Kirci v Tristan Lamasine | 2-6,2-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 15:30 | Aliaksandr Prudnikau v Roman Nashatyrkin | 6-4,2-6,10-5 |
| ITF M15 St Petersburg | 2021/02/02 07:00 | Roman Nashatyrkin v Savriyan Danilov | 1-6,3-6 |
| ITF M15 Antalya | 2020/12/15 07:00 | S Mert Ozdemir v Roman Nashatyrkin | 6-3,6-3 |
| ITF M15 Antalya | 2020/12/07 07:00 | Cezar Cretu v Roman Nashatyrkin | 6-3,6-2 |
| ITF M15 Antalya | 2020/12/06 07:00 | Roman Nashatyrkin v Igor Trunov | 6-2,6-7,10-8 |
| ITF M15 Antalya | 2020/11/29 06:00 | Roman Nashatyrkin v David Bogatin | 6-3,3-6,9-11 |
| ITF M15 Sharm El Sheikh | 2020/10/11 10:00 | Roman Nashatyrkin v Francesco Vilardo | 2-6,4-6 |
| ITF M15 Sharm El Sheikh | 2020/10/05 14:30 | Roman Nashatyrkin v Leonid Sheyngezikht | 2-6,4-6 |