Stadium: Stadium Court Round: 26 Ground: Hardcourt outdoor
| ITF M15 Recife | 2021/09/22 15:05 | Nusdeo, Joao Marcos v Llanes, Francisco | 5-7,6-1,6-1 |
| Challenger Sao Paulo | 2020/11/21 18:50 | Benjamin Lock v Nusdeo, Joao Marcos | 7-5,6-1 |
| ITF - M15 Grenoble | 2020/02/09 13:00 | Nusdeo, Joao Marcos v Yanais Laurent | 2-6,0-6 |
| ITF M15 Cairo | 2019/12/11 07:30 | Nusdeo, Joao Marcos v Jaime Caldes | 6-3,3-6,2-6 |
| ITF M15 Cairo | 2019/12/03 07:30 | Nusdeo, Joao Marcos v Carles Hernandez | 3-6,5-7 |
| ITF M15 Cairo | 2019/12/02 10:00 | Nusdeo, Joao Marcos v Nareyka, Bjorn | 6-4,6-7,10-6 |
| ITF M15 Cairo | 2019/11/25 08:00 | Nusdeo, Joao Marcos v Sigurdsson, Egill | 3-6,6-4,6-10 |
| Sarreguemines, Singles M-ITF-FRA-22A | 2019/11/17 09:55 | Klein, Batiste v Nusdeo, Joao Marcos | 6-4,6-3 |
| ITF M15 Recife | 2021/09/21 17:10 | Rodrigues, Natan v Gustavo Heide | 1-6,3-6 |
| ITF M25 Medellin | 2021/09/15 16:35 | Pedro Boscardin Dias v Gustavo Heide | 6-3,3-6,6-3 |
| ITF M15 Ibague | 2021/09/12 15:00 | Gustavo Heide v Gomez, Alejandro | 7-6,7-5 |
| ITF M15 Ibague | 2021/09/11 16:30 | Gustavo Heide v Juan Sebastian Gomez | 6-4,6-4 |
| ITF M15 Ibague | 2021/09/10 17:00 | Baker, Blu v Gustavo Heide | 6-7,3-6 |
| ITF M15 Ibague | 2021/09/09 16:10 | Pedro Boscardin Dias v Gustavo Heide | 1-6,1-6 |
| ITF M15 Ibague | 2021/09/08 17:00 | Johan A Rodriguez Rodriguez v Gustavo Heide | 6-4,6-7,4-6 |
| ITF M15 Cairo | 2021/08/04 10:55 | Gustavo Heide v Mathys Erhard | 0-6,1-6 |