Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Genova | 2021/06/15 12:15 | Kirill Kivattsev v Tomas Jirousek | 7-6,6-4 |
| ITF M15 Genova | 2021/06/14 07:00 | Kirill Kivattsev v Raphael Baltensperger | 7-6,7-6 |
| ITF M15 Gaiba | 2021/06/12 11:00 | Kirill Kivattsev v Mats Rosenkranz | 2-6,4-6 |
| ITF M15 Gaiba | 2021/06/11 09:00 | Alessandro Bega v Kirill Kivattsev | 6-7,3-6 |
| ITF M15 Gaiba | 2021/06/10 08:45 | Davide Galoppini v Kirill Kivattsev | 6-7,2-6 |
| ITF M15 Gaiba | 2021/06/09 10:40 | Kirill Kivattsev v David Pichler | 4-6,6-3,6-3 |
| Challenger Biella | 2021/03/08 11:15 | Andrea Arnaboldi v Kirill Kivattsev | 6-3,6-4 |
| Challenger Biella | 2021/03/07 12:50 | Kirill Kivattsev v Sandro Ehrat | 7-6,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 12:00 | Juan Ignacio Galarza v Stefan Palosi | 3-6,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 17:30 | Juan Ignacio Galarza v Hugo Pierre | 6-4,5-3 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 11:30 | Vladislav Melnic v Juan Ignacio Galarza | 3-6,2-6 |
| ITF M15 Bucharest | 2021/05/27 08:00 | Juan Ignacio Galarza v Pol Toledo Bague | 5-7,3-6 |
| ITF M15 Bucharest | 2021/05/26 07:00 | Mirko Martinez v Juan Ignacio Galarza | 1-6,7-5,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 07:00 | Tomas Lipovsek Puches v Juan Ignacio Galarza | 6-3,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/21 09:30 | Nicholas David Ionel v Juan Ignacio Galarza | 7-6,1-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 10:00 | Colin Sinclair v Juan Ignacio Galarza | 4-6,2-6 |