Stadium: Court 11 Round: 14 Ground: Clay
| ITF M15 Setubal | 2020/10/06 11:00 | Lucas Gerch v Tiago Cacao | 6-1,6-4 |
| ITF M15 Antalya | 2021/11/24 06:30 | Tiago Cacao v Cezar Cretu | 5-7,3-6 |
| 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 M15 Antalya | 2021/11/28 10:50 | Lucas Gerch v Daniel Michalski | 5-7,0-6 |
| ITF M15 Antalya | 2021/11/26 07:30 | Luis Faria v Lucas Gerch | 0-6,3-6 |
| ITF M15 Antalya | 2021/11/25 07:50 | Hamad Medjedovic v Lucas Gerch | 1-6,1-6 |
| ITF M15 Antalya | 2021/11/24 09:20 | Oleg Prihodko v Lucas Gerch | 1-6,6-4,2-6 |
| Challenger Tenerife | 2021/10/31 11:55 | Filip Cristian Jianu v Lucas Gerch | 6-3,6-1 |
| ITF M25 Portimao | 2021/10/27 14:00 | Matteo Arnaldi v Lucas Gerch | 7-6,6-3 |
| ITF M25 Quinta Do Lago | 2021/10/20 11:10 | Stuart Parker v Lucas Gerch | 7-6,6-1 |
| ITF M25 Loule | 2021/10/17 09:55 | Lucas Gerch v Kaichi Uchida | 4-6,4-6 |