Stadium: Court 7 - Center Round: 25 Ground: Clay
| ITF M15 - Ulcinj | 2021/09/15 07:55 | Duje Kekez v Timo Legout | 4-6,4-6 |
| ITF M15 - Ulcinj | 2021/09/07 10:10 | Oleksandr Ovcharenko v Duje Kekez | 6-1,4-6,6-4 |
| ITF M15 - Ulcinj | 2021/09/01 10:00 | Aristotelis Thanos v Duje Kekez | 2-6,7-6,6-0 |
| ITF M15 - Novi Sad | 2021/08/03 12:40 | Pedro Boscardin Dias v Duje Kekez | 7-6,6-3 |
| ITF M15 - Novi Sad | 2021/07/29 12:40 | Duje Kekez v Filip Misolic | 4-6,0-6 |
| ITF M15 - Novi Sad | 2021/07/28 07:25 | Wilson Leite v Duje Kekez | 2-6,3-6 |
| ITF M15 - Doboj | 2021/07/15 10:40 | Andrej Nedic v Duje Kekez | 0-6,2-6 |
| ITF M15 - Doboj | 2021/07/14 08:30 | Duje Kekez v Aldin Setkic | 7-5,7-6 |
| 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 |