| UTR Pro Tennis Series Sofia | 2021/09/02 10:00 | Terziev, Simeon v Dzhavakian, Yurii | 3-6,7-6,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 09:30 | Dzhavakian, Yurii v Lazov, Alexander | 7-6,7-6 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Dzhavakian, Yurii v Julien De Cuyper | 6-0,5-0 |
| UTR Pro Tennis Series Sofia | 2021/08/30 08:30 | Ianakiev, Milen v Dzhavakian, Yurii | 4-6,2-6 |
| ITF M15 Telavi | 2021/08/03 04:30 | Alessandro Ingarao v Dzhavakian, Yurii | 6-2,6-2 |
| ITF M25 Telavi | 2021/07/27 09:30 | Dzhavakian, Yurii v Evgeny Philippov | 4-6,6-4,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 09:00 | Dzhavakian, Yurii v Yanaki Milev | 4-6,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 10:30 | Dzhavakian, Yurii v Valentin Vanta | 5-7,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/02 08:30 | Josh Sheehy v Zukas, Matias | 3-6,4-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 11:00 | Dimitrov, Martin v Zukas, Matias | 0-6,2-5 |
| UTR Pro Tennis Series Sofia | 2021/08/31 06:30 | Samuil Konov v Zukas, Matias | 3-6,1-6 |
| UTR Pro Tennis Series Sofia | 2021/08/30 11:15 | Zukas, Matias v Penev, Ivan | 7-5,6-3 |
| ITF M25 Poznan | 2021/08/28 09:30 | Roman Andres Burruchaga v Zukas, Matias | 6-1,6-4 |
| ITF M25 Poznan | 2021/08/27 09:30 | Zukas, Matias v Mikula, Michal | 6-3,6-1 |
| ITF M25 Poznan | 2021/08/26 14:50 | Zukas, Matias v Leonardo Aboian | 6-4,2-6,6-2 |
| ITF M25 Poznan | 2021/08/25 12:50 | Zukas, Matias v Marcelo Zormann | 6-3,4-6,7-6 |