Stadium: Court 1 Round: 62 Ground: Clay
| Wimbledon | 2021/06/22 10:00 | Martin Klizan v Zdenek Kolar | 1-6,2-6 |
| Challenger Bratislava | 2021/06/12 15:15 | Martin Klizan v Tallon Griekspoor | 4-6,7-5,4-6 |
| Challenger Bratislava | 2021/06/11 15:15 | Martin Klizan v Andrey Kuznetsov | 7-6,6-2 |
| Challenger Bratislava | 2021/06/09 15:05 | Juan Manuel Cerundolo v Martin Klizan | 7-6,3-6,5-7 |
| Challenger Bratislava | 2021/06/07 14:00 | Mats Moraing v Martin Klizan | 6-7,7-6,5-7 |
| Challenger Biella | 2021/06/02 13:25 | Felipe Meligeni Rodrigues Alves v Martin Klizan | 6-2,6-4 |
| Challenger Biella | 2021/06/01 08:00 | Andrea Collarini v Martin Klizan | 5-7,6-2,4-6 |
| French Open | 2021/05/24 08:30 | Martin Klizan v Carlos Taberner | 1-6,2-6 |
| UTR Pro Sofia | 2023/09/08 08:00 | Anthony Turchi v Vardan Manukyan | 6-2,3-6,2-6 |
| UTR Pro Sofia | 2023/09/07 05:00 | Rayane Oumaouche v Vardan Manukyan | 6-4,6-1 |
| UTR Pro Sofia | 2023/09/05 08:00 | Tadija Radovanovic v Vardan Manukyan | 2-6,6-4,6-4 |
| UTR Pro Sofia | 2023/09/04 05:00 | Vardan Manukyan v Nicolas Buitrago | 3-6,2-6 |
| ITF M15 Curtea de Arges | 2023/08/07 08:30 | Vardan Manukyan v Lorenzo Vatteroni | 2-6,3-6 |
| ITF M25 Bacau | 2023/07/24 08:00 | Ioan Alexandru Chirita v Vardan Manukyan | 6-3,6-3 |
| ITF M25 Kursumlijska Banja | 2023/06/05 11:35 | Vardan Manukyan v Bautista Vilicich | 6-7,1-6 |
| ITF M15 Pazardzhik | 2023/05/22 12:45 | Sean Hess v Vardan Manukyan | 7-6,7-5 |