Stadium: Court 2 Round: 25 Ground: Clay
| ITF - M15 Gdynia | 2021/08/13 11:05 | Filip Peliwo v Alejo Lorenzo Lingua Lavallen | 6-1,6-4 |
| ITF - M15 Gdynia | 2021/08/12 08:00 | Alejo Lorenzo Lingua Lavallen v Wojciech Marek | 3-6,6-3,6-3 |
| ITF - M15 Gdynia | 2021/08/11 08:00 | Alejo Lorenzo Lingua Lavallen v George Loffhagen | 6-3,6-2 |
| ITF - M15 Cairo | 2021/08/06 08:00 | Alejo Lorenzo Lingua Lavallen v Stefano Battaglino | 6-4,4-6,0-6 |
| ITF - M15 Cairo | 2021/08/05 07:45 | Alejo Lorenzo Lingua Lavallen v Fares Zakaria | 6-1,7-5 |
| ITF - M15 Cairo | 2021/08/04 09:20 | Alejo Lorenzo Lingua Lavallen v Daniel Bagnolini | 6-2,6-0 |
| ITF - M15 Cairo | 2021/08/01 08:00 | Alejo Lorenzo Lingua Lavallen v Juan Bautista Torres | 6-1,1-6,5-7 |
| ITF - M15 Cairo | 2021/07/31 09:30 | Mathieu Perchicot v Alejo Lorenzo Lingua Lavallen | 1-6,4-6 |
| ITF - M15 Lodz | 2021/08/16 11:30 | Harry Wendelken v Kamil Gajewski | 6-3,6-7,10-7 |
| ITF - M15 Lodz | 2021/08/16 08:00 | Harry Wendelken v Mikolaj Borkowski | 6-0,6-3 |
| ITF - M15 Gdynia | 2021/08/10 08:00 | Luke Johnson v Harry Wendelken | 6-3,6-7,10-5 |
| ITF - M15 Gdynia | 2021/08/09 08:00 | Dominik Nazaruk v Harry Wendelken | 1-6,1-6 |
| ITF - M15 Gdynia | 2021/08/08 08:00 | Yann Wojcik v Harry Wendelken | 6-7,1-6 |
| ITF - M25 Idanha-A-Nova | 2021/07/11 13:00 | Francisco Rocha v Harry Wendelken | 7-6,6-4 |
| ITF - M15 Almada | 2021/07/09 08:30 | Harry Wendelken v Daniel Cox | 2-6,1-6 |
| ITF - M15 Almada | 2021/07/08 08:30 | Martim L Prata v Harry Wendelken | 4-6,6-7 |