Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2021/10/27 11:20 | Vladyslav Orlov v Tiago Cacao | 6-3,6-1 |
| ITF M25 Quinta Do Lago | 2021/10/20 12:35 | Tiago Cacao v Arthur Cazaux | 6-7,2-6 |
| ITF M25 Loule | 2021/10/12 13:00 | Tiago Cacao v Luis Faria | 3-6,6-4,0-6 |
| ITF M25 Setubal | 2021/10/06 12:20 | Tiago Cacao v Maximilian Neuchrist | 6-7,0-6 |
| Challenger Lisbon | 2021/09/28 15:55 | Joao Domingues v Tiago Cacao | 6-4,6-4 |
| Challenger Braga | 2021/09/22 12:00 | Thiago Monteiro v Tiago Cacao | 6-1,6-1 |
| Challenger Braga | 2021/09/20 11:30 | Tiago Cacao v Roberto Ortega-Olmedo | 4-6,6-1,6-1 |
| ITF M25 Sintra | 2021/09/14 17:35 | Alejandro Moro Canas v Tiago Cacao | 6-1,7-5 |
| ITF M25 Sarreguemines | 2021/10/28 15:05 | Harold Mayot v Gabriel Decamps | 6-4,4-6,4-6 |
| ITF M25 Sarreguemines | 2021/10/26 17:30 | Hugo Schott v Gabriel Decamps | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2021/10/15 08:00 | Lukas Pokorny v Gabriel Decamps | 2-6,6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2021/10/14 10:35 | Gabriel Decamps v Marat Deviatiarov | 6-4,5-7,6-0 |
| ITF M15 Sharm El Sheikh | 2021/10/13 11:40 | Gabriel Decamps v Adam Bronka | 6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2021/10/10 08:00 | Petr Hajek v Gabriel Decamps | 5-7,7-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/10/09 08:00 | Nathan Seateun v Gabriel Decamps | 6-4,2-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/10/07 10:00 | Gabriel Decamps v Neil Oberleitner | 6-3,6-3 |