Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2021/07/23 09:00 | Simon Carr v Alafia Ayeni | 6-2,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/22 09:55 | Alafia Ayeni v Tiago Cacao | 7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/21 09:50 | Alafia Ayeni v Luca Giacomini | 6-1,1-6,6-2 |
| ITF M25 Nur-Sultan | 2021/07/07 04:00 | Alafia Ayeni v Jason Kubler | 2-6,0-6 |
| ITF M25 Nur-Sultan | 2021/07/06 07:45 | Alafia Ayeni v Arystanbek Kaparov | 6-2,6-0 |
| ITF M25 Santo Domingo | 2021/06/09 12:55 | Alafia Ayeni v Noah Schachter | 5-7,6-4,5-7 |
| ITF M25 Santo Domingo | 2021/06/08 19:45 | Alafia Ayeni v Jordan Parker | 6-1,7-5 |
| ITF M25 Santo Domingo | 2021/06/08 13:00 | Alafia Ayeni v Joaquin Caballer | 6-4,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/21 08:00 | Joao Lucas Reis da Silva v Marek Gengel | 5-7,0-6 |
| ITF M25 Idanha-A-Nova | 2021/07/16 07:55 | Nicolas Moreno De Alboran v Joao Lucas Reis da Silva | 7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/15 10:15 | Luis Faria v Joao Lucas Reis da Silva | 6-4,2-6,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/13 12:30 | Joao Lucas Reis da Silva v Yusuke Takahashi | 6-3,6-1 |
| ITF M15 Almada | 2021/07/10 08:30 | Fabio Coelho v Joao Lucas Reis da Silva | 6-3,6-4 |
| ITF M15 Almada | 2021/07/09 10:20 | Joao Lucas Reis da Silva v Diego F Flores | 6-4,7-6 |
| ITF M15 Almada | 2021/07/08 12:30 | Joao Lucas Reis da Silva v Daniel Batista | 6-2,6-3 |
| ITF M15 Almada | 2021/07/06 10:30 | Joao Lucas Reis da Silva v Kuzey Cekirge | 6-1,6-3 |