Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Brcko | 2021/05/18 14:00 | Domagoj Biljesko v Maikel De Boes | 6-3,7-5 |
| ITF M15 Prijedor | 2021/05/13 07:00 | Alen Rogic-Hadzalic v Maikel De Boes | 6-4,6-7,6-3 |
| ITF M15 Cairo | 2021/04/25 11:00 | Maikel De Boes v Alessandro Ragazzi | 7-5,1-6,7-10 |
| ITF M15 Cairo | 2021/04/18 08:30 | Maikel De Boes v Juan Ignacio Alcalde | 5-7,3-6 |
| ITF M15 Cairo | 2021/04/13 12:30 | Yanais Laurent v Maikel De Boes | 6-2,3-6,10-8 |
| ITF M15 Cairo | 2021/04/12 08:30 | Maikel De Boes v Volodymyr Uzhylovskyi | 7-6,6-3 |
| ITF M15 Monastir | 2021/03/28 08:00 | Igor Marcondes v Maikel De Boes | 6-1,6-1 |
| ITF M15 Monastir | 2021/03/22 08:00 | Maikel De Boes v Aliaksandr Liaonenka | 5-7,2-6 |
| ITF M15 Cairo | 2021/07/28 08:00 | Nikita Kashirin v Ignacio Monzon | 4-6,1-6 |
| ITF M15 Cairo | 2021/07/22 08:00 | Ignacio Monzon v Nathan Seateun | 6-4,1-6,3-6 |
| ITF M15 Cairo | 2021/07/21 09:55 | Ignacio Monzon v Nicolas Bruna | 3-6,6-0,6-3 |
| ITF M25 Uriage | 2021/07/14 17:20 | Ignacio Monzon v Calvin Hemery | 1-6,3-6 |
| ITF M15 Poprad | 2021/07/09 08:00 | Ignacio Monzon v Tomas Jirousek | 4-6,6-4,2-6 |
| ITF M15 Poprad | 2021/07/08 10:05 | Ignacio Monzon v Julien Penzlin | 7-5,6-2 |
| ITF M15 Poprad | 2021/07/07 08:00 | Alibek Kachmazov v Ignacio Monzon | 1-6,1-6 |
| ITF M25 Wroclaw | 2021/06/28 11:00 | Ignacio Monzon v Daniel Siniakov | 3-6,6-4,7-10 |