Stadium: Court 3 Round: 26 Ground: Clay
| ITF - M15 Ulčinj | 2021/09/07 08:00 | Felix Gill v Simon A Ivanov | 6-3,5-7,7-6 |
| ITF - M25 Poznan | 2021/08/27 11:50 | Shintaro Mochizuki v Felix Gill | 7-6,2-6,6-3 |
| ITF - M25 Poznan | 2021/08/26 14:15 | Felix Gill v Harry Wendelken | 6-1,6-4 |
| ITF - M25 Poznan | 2021/08/25 08:00 | Fermin Calvo Barcelo v Felix Gill | 3-6,6-7 |
| ITF - M15 Doboj | 2021/07/15 08:00 | Zsombor Piros v Felix Gill | 7-5,6-7,6-2 |
| ITF - M15 Doboj | 2021/07/14 08:30 | Felix Gill v Aleksandar Mihailovic | 6-1,6-4 |
| ITF - M15 Sofia | 2021/07/06 07:00 | Hanwen Li v Felix Gill | 6-4,2-6,6-3 |
| Wimbledon | 2021/06/23 13:15 | Felix Gill v Marc Polmans | 6-7,2-6 |
| ITF - M15 Ulčinj | 2021/09/08 12:40 | Egor Agafonov v Alejo Lorenzo Lingua Lavallen | 6-7,6-4,0-6 |
| ITF - M15 Ulčinj | 2021/09/02 11:10 | Alejo Lorenzo Lingua Lavallen v Matthew Dellavedova | 6-2,6-2 |
| ITF - M15 Ulčinj | 2021/08/31 11:35 | Alejo Lorenzo Lingua Lavallen v Artsiom Dabryian | 6-0,6-0 |
| ITF - M25 Poznan | 2021/08/27 09:30 | Alejo Lorenzo Lingua Lavallen v Roman Andres Burruchaga | 2-6,4-6 |
| ITF - M25 Poznan | 2021/08/26 09:00 | Sebastian Gima v Alejo Lorenzo Lingua Lavallen | 3-6,2-6 |
| ITF - M25 Poznan | 2021/08/25 09:50 | Alejo Lorenzo Lingua Lavallen v Filip Kolasinski | 6-7,6-1,6-1 |
| ITF - M15 Lodz | 2021/08/19 08:00 | Alejo Lorenzo Lingua Lavallen v Yann Wojcik | 6-7,6-2,5-7 |
| ITF - M15 Lodz | 2021/08/18 10:05 | Alejo Lorenzo Lingua Lavallen v Harry Wendelken | 6-2,4-6,6-4 |