Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF M15 Ulcinj | 2021/09/19 07:55 | Alejo Lorenzo Lingua Lavallen v Felix Gill | 6-3,6-2 |
| ITF M15 Ulcinj | 2021/09/18 08:00 | Timo Legout v Felix Gill | 5-7,5-7 |
| ITF M15 Ulcinj | 2021/09/16 08:00 | Andrea Basso v Felix Gill | 4-6,3-6 |
| ITF M15 Ulcinj | 2021/09/14 08:00 | Felix Gill v Matthew Romios | 6-3,3-6,6-4 |
| ITF M15 Ulcinj | 2021/09/09 08:55 | Felix Gill v Alejo Lorenzo Lingua Lavallen | 6-4,5-7,5-7 |
| ITF M15 Ulcinj | 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 Ueberlingen | 2021/08/18 10:10 | Jeremy Jahn v Alexander Cozbinov | 3-6,7-6,1-6 |
| ITF M25 Bolzano | 2021/08/03 13:50 | Andrea Gola v Jeremy Jahn | 4-6,6-2,6-3 |
| ITF M25 Denia | 2021/07/27 17:25 | Carlos Lopez Montagud v Jeremy Jahn | 6-4,6-2 |
| ITF M25 Gandia | 2021/07/21 16:00 | Jordi Mas De Ugarte v Jeremy Jahn | 6-4,6-3 |
| Challenger Amersfoort | 2021/07/12 09:00 | Jeremy Jahn v Johan Nikles | 2-6,3-6 |
| Challenger Amersfoort | 2021/07/11 11:40 | Jeremy Jahn v Arjun Kadhe | 6-2,6-7,6-4 |
| ITF M25 Marburg | 2021/07/06 16:40 | Alexander Donski v Jeremy Jahn | 6-2,6-2 |
| ITF M25 The Hague | 2021/06/29 09:00 | Jeremy Jahn v Javier Barranco Cosano | 2-6,3-6 |