Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Pirot | 2021/09/21 09:15 | Giorgio Tabacco v Pietro Pampanin | 6-0,6-0 |
| ITF M15 Bad Waltersdorf | 2021/09/02 08:00 | Giorgio Tabacco v Matic Spec | 3-6,2-6 |
| ITF M15 Bad Waltersdorf | 2021/09/01 08:00 | Andrea Guerrieri v Giorgio Tabacco | 4-6,4-6 |
| ITF M15 Bad Waltersdorf | 2021/08/31 09:10 | Fletcher Scott v Giorgio Tabacco | 4-6,1-6 |
| ITF M15 Bad Waltersdorf | 2021/08/30 09:00 | Martin Zeljenka v Giorgio Tabacco | 5-7,0-6 |
| ITF M15 Bad Waltersdorf | 2021/08/23 09:00 | Matic Spec v Giorgio Tabacco | 6-4,6-3 |
| ITF M15 Bad Waltersdorf | 2021/08/22 09:00 | Michael Gloeckler v Giorgio Tabacco | 6-7,6-7 |
| ITF M15 Pescara | 2021/08/20 10:15 | Giorgio Tabacco v Emiliano Maggioli | 0-6,2-6 |
| UTR Pro Tennis Series Portorož | 2021/08/22 08:30 | Aleksa Pisaric v Teodor Ureche | 6-2,6-0 |
| UTR Pro Tennis Series Portorož | 2021/08/21 14:15 | Aleksa Pisaric v Gal Emersic Potocnik | 6-7,6-1,5-3 |
| UTR Pro Tennis Series Portorož | 2021/08/20 09:30 | Jan Vehovec v Aleksa Pisaric | 0-6,1-6 |
| UTR Pro Tennis Series Portorož | 2021/08/19 15:30 | Colin Sinclair v Aleksa Pisaric | 6-3,5-2 |
| UTR Pro Tennis Series Portorož | 2021/08/17 11:00 | Yanais Laurent v Aleksa Pisaric | 6-4,5-1 |
| UTR Pro Tennis Series Portorož | 2021/08/16 11:00 | Aleksa Pisaric v Tilen Zitnik | 6-3,4-6,6-1 |
| ITF M15 Novi Sad | 2021/08/02 12:30 | Aleksa Pisaric v Dusan Obradovic | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Viktor Jovic v Aleksa Pisaric | 7-6,6-3 |