Stadion: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/03/10 12:15 | Kai Lemstra v Christoph Negritu | 6-4,2-6,6-1 |
| ITF - M15 - Monastir | 2021/03/08 18:00 | Anis Ghorbel v Kai Lemstra | 6-3,6-4 |
| ITF - M15 - Monastir | 2021/03/08 13:30 | Sabit Suntic v Kai Lemstra | 3-6,6-4,8-10 |
| ITF - M15 - Monastir | 2021/03/07 10:30 | Facundo Yunis v Kai Lemstra | 6-7,3-6 |
| ITF - M15 - Monastir | 2021/03/01 08:00 | Noah Lopez v Kai Lemstra | 3-6,7-5,10-7 |
| ITF - M15 - Monastir | 2021/02/28 08:00 | Goran Duquesne v Kai Lemstra | 0-6,2-6 |
| ITF - M15 - Bratislava | 2020/11/24 09:00 | Kai Lemstra v Kristof Minarik | 2-6,4-6 |
| ITF - M15 - Bratislava | 2020/11/23 14:00 | Kai Lemstra v Patrik Jancovic | 6-2,6-2 |
| ITF - M15 - Monastir | 2021/03/09 08:30 | Juan Bautista Torres v Antonio Cayetano March | 6-1,6-0 |
| ITF - M15 - Monastir | 2021/03/04 13:50 | Carlos Sanchez Jover v Juan Bautista Torres | 6-1,6-4 |
| ITF - M15 - Monastir | 2021/03/02 08:30 | Ryota Tanuma v Juan Bautista Torres | 6-3,4-6,2-6 |
| ITF - M15 - Monastir | 2021/02/23 08:00 | Juan Bautista Torres v Franco Agamenone | 5-7,1-6 |
| ITF - M15 - Monastir | 2021/02/18 10:10 | Juan Bautista Torres v Stuart Parker | 1-6,6-1,4-6 |
| ITF - M15 - Monastir | 2021/02/16 08:00 | Juan Bautista Torres v Simon Freund | 6-1,7-5 |
| ITF - M15 - Monastir | 2021/02/12 10:05 | Yannick Mertens v Juan Bautista Torres | 6-2,6-3 |
| ITF - M15 - Monastir | 2021/02/11 11:40 | Juan Bautista Torres v Alexis Gautier | 6-3,6-4 |