Stadium: Court 3 Round: 26 Ground: Clay
| ITF - M15 Poprad | 2021/07/07 10:10 | Luca Castelnuovo v Jan Jermar | 7-6,6-2 |
| ITF - M25 Wroclaw | 2021/06/27 15:30 | Luca Castelnuovo v Piotr Grynkowski | 6-4,6-7,7-10 |
| ITF M25 - Klosters | 2021/06/23 10:30 | Luca Castelnuovo v Tim Handel | 6-7,2-6 |
| ITF M25 - Klosters | 2021/06/21 07:00 | Luca Castelnuovo v Leopold Zima | 6-2,3-6,10-6 |
| ITF M25 - Klosters | 2021/06/20 07:00 | Luca Castelnuovo v Nico Jaeger | 4-6,6-3,11-9 |
| ITF - M15 Gaiba | 2021/06/08 13:35 | Luca Castelnuovo v Osgar O'Hoisin | 3-6,7-5,8-10 |
| ITF - M15 Gaiba | 2021/06/07 10:00 | Luca Castelnuovo v Gregorio De Gasper | 6-4,6-4 |
| ITF - M15 Kouvola | 2021/05/28 07:15 | Luca Castelnuovo v Naoki Tajima | 3-6,2-6 |
| ITF - M15 Poprad | 2021/07/07 09:20 | Roman Andres Burruchaga v Timo Stodder | 5-7,6-2,6-0 |
| ITF - M15 Antalya | 2021/06/29 06:20 | Jose Fco. Vidal Azorin v Roman Andres Burruchaga | 6-1,1-6,6-2 |
| ITF - M15 Bergamo | 2021/06/23 14:55 | Davide Galoppini v Roman Andres Burruchaga | 6-4,3-6,6-2 |
| ITF - M15 Heraklion | 2021/06/11 07:00 | Roman Andres Burruchaga v Ben Patael | 0-6,6-7 |
| ITF - M15 Heraklion | 2021/06/10 09:25 | Nicolas Alvarez Varona v Roman Andres Burruchaga | 7-6,2-6,1-6 |
| ITF - M15 Heraklion | 2021/06/09 06:30 | Roman Andres Burruchaga v Ben Jones | 7-5,6-4 |
| ITF - M15 Heraklion | 2021/06/03 09:20 | Roman Andres Burruchaga v Ze Zhang | 2-6,1-6 |
| ITF - M15 Heraklion | 2021/06/02 13:15 | Wishaya Trongcharoenchaikul v Roman Andres Burruchaga | 7-6,0-6,3-6 |