Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Skopje | 2021/09/29 09:55 | Michele Vianello v Juan Pablo Paz | 2-6,4-6 |
| ITF M15 Ulcinj | 2021/09/24 09:00 | Mariano Navone v Juan Pablo Paz | 5-7,6-2,6-3 |
| ITF M15 Ulcinj | 2021/09/23 09:30 | Matthew Dellavedova v Juan Pablo Paz | 3-6,2-6 |
| ITF M15 Ulcinj | 2021/09/22 12:00 | Ivan Liutarevich v Juan Pablo Paz | 3-6,0-6 |
| ITF M15 Ulcinj | 2021/09/16 09:40 | Stefano Reitano v Juan Pablo Paz | 0-6,1-6 |
| ITF M15 Ulcinj | 2021/09/15 13:15 | Daisuke Sumizawa v Juan Pablo Paz | 4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/10 09:00 | Juan Pablo Paz v Mariano Navone | 4-6,3-6 |
| ITF M15 Ulcinj | 2021/09/09 09:55 | Juan Pablo Paz v Ivan Liutarevich | 6-2,6-7,6-1 |
| ITF M15 Ulcinj | 2021/08/31 08:00 | Dominik Palan v Stefan Popovic | 6-1,6-1 |
| ITF M15 Novi Sad | 2021/08/04 14:15 | Stefan Popovic v Francisco Comesana | 3-6,2-6 |
| ITF M15 Novi Sad | 2021/07/27 11:00 | Pedro Boscardin Dias v Stefan Popovic | 6-4,6-3 |
| ITF M15 Antalya | 2021/01/29 07:00 | Leopold Zima v Stefan Popovic | 6-2,6-2 |
| ITF M15 Antalya | 2021/01/29 06:30 | Credit Chaiyarin v Stefan Popovic | 1-6,1-6 |
| ITF M15 Antalya | 2021/01/28 08:00 | Stefan Popovic v Filip Bergevi | 6-3,6-2 |
| Eastern European Championship | 2020/07/30 09:40 | Daniil Savelev v Stefan Popovic | 1-6,0-6 |
| Eastern European Championship | 2020/07/28 09:25 | Dejan Katic v Stefan Popovic | 3-6,2-6 |