Stadium: Court 10 Round: 25 Ground: Clay
| ITF M25 The Hague | 2021/06/28 10:05 | Mick Veldheer v Sidane Pontjodikromo | 5-7,3-6 |
| ITF M25 The Hague | 2021/06/27 08:00 | Deney Wassermann v Sidane Pontjodikromo | 4-6,3-6 |
| ITF M15 Skopje | 2021/06/09 09:00 | Sidane Pontjodikromo v Daniele Capecchi | 0-6,2-6 |
| ITF M15 Skopje | 2021/06/08 07:30 | Stefano Battaglino v Sidane Pontjodikromo | 4-6,1-6 |
| ITF M15 Skopje | 2021/06/07 08:00 | Charles Tzicas v Sidane Pontjodikromo | 2-6,5-7 |
| ITF M15 Skopje | 2021/06/02 08:00 | Sidane Pontjodikromo v Nicolo Turchetti | 6-3,4-6,5-7 |
| ITF M15 Skopje | 2021/06/01 08:00 | Sidane Pontjodikromo v Viktor Jovic | 6-1,6-3 |
| ITF M15 Skopje | 2021/05/31 08:00 | Sidane Pontjodikromo v Adam Bronka | 6-1,6-2 |
| ITF M25 The Hague | 2021/06/28 07:55 | Dominik Palan v Constantin Bittoun Kouzmine | 6-2,2-6,6-10 |
| ITF M25 The Hague | 2021/06/27 08:00 | Roland Stuurman v Constantin Bittoun Kouzmine | 2-6,1-6 |
| ITF M25 Alkmaar | 2021/06/20 17:00 | Constantin Bittoun Kouzmine v Michiel de Krom | 3-6,3-6 |
| ITF M15 Monastir | 2021/05/19 13:05 | Constantin Bittoun Kouzmine v Yusuke Takahashi | 3-6,0-6 |
| ITF M15 Monastir | 2021/05/17 12:30 | Taisei Ichikawa v Constantin Bittoun Kouzmine | 7-6,3-6,9-11 |
| ITF M15 Monastir | 2021/05/17 08:00 | Mehdi Benchakroun v Constantin Bittoun Kouzmine | 0-6,4-6 |
| ITF M15 Monastir | 2021/05/16 10:00 | Lisandru Rodriguez v Constantin Bittoun Kouzmine | 2-6,0-6 |
| ITF M15 Monastir | 2021/05/10 08:00 | Dong Ju Kim v Constantin Bittoun Kouzmine | 4-6,6-4,10-5 |