| UTR Pro Tennis Series Zadar | 2021/06/30 12:30 | Roko Horvat v Shyla, Yaraslau | 5-7,6-3,3-5 |
| UTR Pro Tennis Series Zadar | 2021/06/29 09:30 | Roko Horvat v Elijah Poritzky | 6-0,6-3 |
| UTR Pro Tennis Series Zadar | 2021/06/28 11:00 | Roko Horvat v Oumaouche, Rayane | 6-3,5-0 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 10:00 | Roko Horvat v Amaury Raynel | 6-7,3-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/18 08:00 | Lovre Erceg v Roko Horvat | 6-2,3-6,10-7 |
| ITF - M15 Opatija | 2021/03/24 09:00 | Roko Horvat v Martin Damm | 1-6,1-6 |
| ITF - M15 Rovinj | 2021/03/18 09:00 | Corentin Denolly v Roko Horvat | 6-0,6-1 |
| ITF - M15 Rovinj | 2021/03/16 10:00 | Roko Horvat v Sodan, Ivan | 7-5,3-6,6-3 |
| UTR Pro Tennis Series Zadar | 2021/06/30 12:30 | Oumaouche, Rayane v Petrenko, Anatoliy | 6-0,6-2 |
| UTR Pro Tennis Series Zadar | 2021/06/28 11:00 | Elijah Poritzky v Petrenko, Anatoliy | 3-6,6-1,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 12:30 | Rishab Agarwal v Petrenko, Anatoliy | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 11:00 | Alejandro Moro Canas v Petrenko, Anatoliy | 6-2,6-3 |
| ITF - M15 Antalya | 2021/06/17 07:25 | Mariano Kestelboim v Petrenko, Anatoliy | 6-1,6-0 |
| ITF - M15 Antalya | 2021/06/15 11:05 | Petrenko, Anatoliy v Sutekin, Emir | 6-3,2-6,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 07:00 | Melnic, Vladislav v Petrenko, Anatoliy | 6-1,5-0 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 09:00 | Yanais Laurent v Petrenko, Anatoliy | 4-6,3-6 |