Stadium: Court 2 Round: 25
| Challenger - Lisabona | 2021/09/26 14:00 | Daniel Michalski v Giovanni Fonio | 6-4,7-5 |
| Challenger - Bucuresti | 2021/09/19 07:30 | Giovanni Fonio v Oleksii Krutykh | 3-6,1-6 |
| Challenger - Trieste | 2021/07/26 12:35 | Thiago Agustin Tirante v Giovanni Fonio | 6-3,6-3 |
| Challenger - Trieste | 2021/07/25 11:35 | Giovanni Fonio v Julian Ocleppo | 3-6,6-4,7-5 |
| ITF - M25 Kottingbrunn | 2021/07/23 10:55 | Giovanni Fonio v Mate Valkusz | 4-6,0-6 |
| ITF - M25 Kottingbrunn | 2021/07/22 08:00 | Giovanni Fonio v Sandro Kopp | 6-1,7-5 |
| ITF - M25 Kottingbrunn | 2021/07/21 10:15 | Giovanni Fonio v Peter Makk | 6-3,7-6 |
| Challenger - Todi | 2021/07/15 17:00 | Alexander Ritschard v Giovanni Fonio | 6-3,6-4 |
| ITF - M15 Platja d'Aro | 2021/10/05 08:00 | Vitali Shvets v Xavi Matas Ortega | 6-3,4-6,10-7 |
| ITF - M15 Melilla | 2021/09/20 11:00 | Kirill Mishkin v Vitali Shvets | 7-5,6-2 |
| ITF - M25 Madrid | 2021/09/12 17:00 | Vitali Shvets v Kirill Mishkin | 4-6,5-7 |
| ITF - M25 Oviedo | 2021/08/29 07:55 | Julio Cesar Porras v Vitali Shvets | 4-6,6-2,10-6 |
| ITF - M15 Antalya | 2021/06/27 06:30 | Ignacio Carou v Vitali Shvets | 7-5,6-3 |
| ITF - M15 Antalya | 2021/06/21 08:30 | Bora Sengul v Vitali Shvets | 6-3,6-2 |
| ITF - M15 Antalya | 2021/06/07 09:55 | Vitali Shvets v Constant De La Bassetiere | 3-6,0-6 |
| ITF - M15 Antalya | 2021/06/06 07:30 | Karlo Cubelic v Vitali Shvets | 5-7,6-4,3-10 |