Stadium: Court 5 Round: 62 Ground: Clay
| Challenger Nottingham Qual | 2021/06/13 10:00 | Felix Gill v Alex Bolt | 6-7,4-6 |
| ITF M15 Novomoskovsk | 2021/06/03 10:00 | Felix Gill v Jose Fco. Vidal Azorin | 3-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/29 06:15 | Jose Fco. Vidal Azorin v Felix Gill | 7-6,6-1 |
| ITF M15 Novomoskovsk | 2021/05/28 07:15 | Felix Gill v Nikita Mashtakov | 7-5,6-7,6-4 |
| ITF M15 Novomoskovsk | 2021/05/27 10:40 | Michal Dembek v Felix Gill | 3-6,5-7 |
| ITF M15 Novomoskovsk | 2021/05/25 11:00 | Felix Gill v German Samofalov | 6-2,6-7,6-2 |
| ITF M15 Cairo | 2021/05/04 08:00 | Felix Gill v Olexiy Kolisnyk | 1-6,3-6 |
| ITF M15 Cairo | 2021/05/03 08:00 | Felix Gill v Gian Luca Tanner | 4-6,6-3,10-7 |
| ITF M15 Bucharest | 2021/05/23 11:30 | Tudor S Gheorghita v Petru-Alexandru Luncanu | 2-6,2-6 |