Stadium: Court 3 Round: 26 Ground: Clay
| ITF M15 Antalya | 2021/06/09 10:40 | Mariano Kestelboim v Timo Stodder | 3-6,3-6 |
| ITF M15 Monastir | 2021/05/18 12:35 | Mariano Kestelboim v Guy Orly Iradukunda | 1-6,4-6 |
| ITF M15 Monastir | 2021/05/11 08:30 | Mariano Kestelboim v Yunseong Chung | 7-6,1-6,2-6 |
| ITF M15 Monastir | 2021/05/04 13:10 | Mariano Kestelboim v Alibek Kachmazov | 6-1,6-7,3-6 |
| ITF M15 Monastir | 2021/04/29 11:20 | Mariano Kestelboim v Yuta Kawahashi | 1-6,1-6 |
| ITF M15 Monastir | 2021/04/27 09:55 | Mariano Kestelboim v Ervin H Eminefendic | 6-3,6-0 |
| ITF M15 Cordoba | 2021/04/10 14:30 | Gonzalo Lama v Mariano Kestelboim | 6-4,6-4 |
| ITF M15 Cordoba | 2021/04/08 13:00 | Benjamin Dhoe v Mariano Kestelboim | 2-6,1-6 |
| ITF M15 Antalya | 2021/06/15 11:05 | Anatoliy Petrenko v Emir Sutekin | 6-3,2-6,6-0 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 07:00 | Vladislav Melnic v Anatoliy Petrenko | 6-1,5-0 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 09:00 | Yanais Laurent v Anatoliy Petrenko | 4-6,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 16:00 | Juan Pablo Paz v Anatoliy Petrenko | 6-4,6-2 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 11:30 | Anatoliy Petrenko v Vlad Andrei Dumitru | 5-7,2-6 |
| ITF M15 Novomoskovsk | 2020/09/02 07:00 | Oleksii Krutykh v Anatoliy Petrenko | 6-0,6-2 |
| ITF M15 Novomoskovsk | 2020/08/31 14:30 | Anatoliy Petrenko v Denis Parshutin | 6-2,6-0 |
| ITF M15 Novomoskovsk | 2020/08/31 09:00 | Anatoliy Petrenko v Vasil Yehorov | 6-7,6-4,11-9 |