Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Aix en Provence | 2019/05/06 10:00 | Guilherme Clezar v Rogerio Dutra Silva | 2-6,3-6 |
| ATP Buenos Aires Qual | 2018/02/11 16:00 | Rogerio Dutra Silva v Guilherme Clezar | 7-6,7-6 |
| Challenger Santiago 2 Qual | 2016/03/11 16:00 | Guilherme Clezar v Rogerio Dutra Silva | 3-6,5-7 |
| US Open | 2019/08/20 20:15 | Peter Polansky v Rogerio Dutra Silva | 6-3,3-6,6-4 |
| Challenger Liberec | 2019/08/04 10:00 | Rogerio Dutra Silva v Nikola Milojevic | 3-6,6-3,4-6 |
| Challenger Liberec | 2019/08/03 09:30 | Tomas Machac v Rogerio Dutra Silva | 3-6,0-6 |
| Challenger Liberec | 2019/08/01 09:00 | Filippo Baldi v Rogerio Dutra Silva | 6-7,1-6 |
| Challenger Liberec | 2019/07/30 13:10 | Petr Nouza v Rogerio Dutra Silva | 3-6,2-6 |
| Challenger Prague | 2019/07/24 08:00 | Rogerio Dutra Silva v Frederico Ferreira Silva | 6-7,5-7 |
| Challenger San Benedetto | 2019/07/18 13:05 | Jan Satral v Rogerio Dutra Silva | 6-2,5-7,6-4 |
| Challenger San Benedetto | 2019/07/17 17:00 | Daniel Elahi Galan v Rogerio Dutra Silva | 2-6,6-3,3-6 |
| Challenger Banja Luka | 2019/09/10 08:00 | Jelle Sels v Guilherme Clezar | 2-6,3-6 |
| ITF M25 La Marsa | 2019/09/07 09:30 | Guilherme Clezar v Louis Wessels | 6-1,3-6,3-6 |
| ITF M25 La Marsa | 2019/09/06 13:00 | Manuel Guinard v Guilherme Clezar | 3-6,2-6 |
| ITF M25 La Marsa | 2019/09/05 12:00 | Michael Geerts v Guilherme Clezar | 5-7,1-6 |
| ITF M25 La Marsa | 2019/09/03 13:30 | Pietro Marino v Guilherme Clezar | 1-6,3-6 |
| ITF M25 Irpin | 2019/08/31 08:00 | Denis Yevseyev v Guilherme Clezar | 2-6,6-3,6-4 |
| ITF M25 Irpin | 2019/08/30 08:00 | Guilherme Clezar v Genaro Alberto Olivieri | 4-6,7-5,6-4 |
| ITF M25 Irpin | 2019/08/29 08:00 | Guilherme Clezar v Alexander Weis | 6-2,6-3 |