Stadium: Court 15 Round: 25 Ground: Clay
| Challenger Antalya | 2021/12/06 11:30 | Jakub Paul v Marsel Ilhan | 2-6,3-6 |
| Challenger Antalya Qual | 2021/12/05 10:50 | Jakub Paul v Toshihide Matsui | 6-1,6-3 |
| Challenger Antalya | 2021/11/29 13:00 | Jakub Paul v Tiago Cacao | 1-6,4-6 |
| Challenger Antalya | 2021/11/29 10:05 | Khumoyun Sultanov v Jakub Paul | 3-6,3-6 |
| Challenger Tenerife | 2021/10/31 13:10 | Jakub Paul v Miguel Damas | 2-6,6-2,2-6 |
| ITF M25 Hamburg | 2021/10/24 10:00 | Henri Squire v Jakub Paul | 4-6,2-6 |
| ITF M25 Hamburg | 2021/10/23 11:50 | Louis Wessels v Jakub Paul | 2-6,4-6 |
| ITF M25 Hamburg | 2021/10/22 10:00 | Jakub Paul v Leandro Riedi | 7-5,6-4 |
| Challenger Antalya | 2021/11/29 07:30 | Marsel Ilhan v Giovanni Fonio | 6-4,3-6,6-4 |
| Challenger Napoli | 2021/10/11 08:00 | Javier Barranco Cosano v Giovanni Fonio | 7-5,6-3 |
| ITF M15 Platja D'Aro | 2021/10/09 09:00 | Giovanni Fonio v Jose Fco. Vidal Azorin | 3-6,4-6 |
| ITF M15 Platja D'Aro | 2021/10/08 10:00 | Giovanni Fonio v Maxime Chazal | 6-3,6-2 |
| ITF M15 Platja D'Aro | 2021/10/07 13:35 | Giovanni Fonio v Manish Sureshkumar | 6-0,6-1 |
| ITF M15 Platja D'Aro | 2021/10/06 10:15 | Giovanni Fonio v Vitali Shvets | 6-4,6-0 |
| Challenger Lisbon | 2021/09/26 14:00 | Daniel Michalski v Giovanni Fonio | 6-4,7-5 |
| Challenger Bucharest | 2021/09/19 07:30 | Giovanni Fonio v Oleksii Krutykh | 3-6,1-6 |