Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Monastir | 2021/05/23 09:30 | Luka Vukovic v Hans Peter Kaufmann | 6-1,6-3 |
| ITF M15 Monastir | 2021/05/17 09:00 | Arthur Bouquier v Hans Peter Kaufmann | 6-1,6-3 |
| ITF M15 Kairo | 2021/04/26 12:30 | Hans Peter Kaufmann v Constant De La Bassetiere | 2-6,4-6 |
| ITF M15 Kairo | 2021/04/25 07:30 | Hans Peter Kaufmann v Ali Alshati | 7-6,6-2 |
| ITF M15 Kairo | 2021/04/20 10:05 | Hans Peter Kaufmann v Santiago De La Fuente | 0-6,4-6 |
| ITF M15 Kairo | 2021/04/18 18:30 | Mohab Hamed v Hans Peter Kaufmann | 3-6,1-6 |
| ITF M15 Kairo | 2021/04/12 08:30 | Yanais Laurent v Hans Peter Kaufmann | 6-2,6-1 |
| ITF M15 Kairo | 2021/04/11 07:00 | Hans Peter Kaufmann v Anton Magnusson | 3-6,7-5,10-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 10:30 | Fermin Tenti v Luigi Sorrentino | 5-7,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 08:00 | Fermin Tenti v Marat Deviatiarov | 0-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/12 11:00 | Fermin Tenti v Oleksandr Bielinskyi | 4-6,3-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/10 07:00 | Fermin Tenti v Nicolas Bianchi | 2-6,6-3,5-2 |
| ITF M15 Xàtiva | 2021/08/05 15:00 | Alejandro Garcia v Fermin Tenti | 7-6,6-2 |
| ITF M15 Xàtiva | 2021/08/03 09:00 | Inigo G Olasagasti v Fermin Tenti | 0-6,0-6 |
| ITF M25 Dénia | 2021/07/28 14:00 | Fermin Tenti v Eduard Esteve Lobato | 0-6,5-7 |
| ITF M15 Poprad | 2021/07/07 07:55 | Tomas Jirousek v Fermin Tenti | 6-3,0-6,7-5 |