Stadium: Campo 1 Round: 25 Ground: Clay
| Challenger Cortina | 2017/07/24 10:00 | Matteo Donati v Guilherme Clezar | 6-7,6-2,5-7 |
| Challenger Poznan | 2017/07/18 09:00 | Jan Satral v Guilherme Clezar | 7-6,6-0 |
| Challenger Milan | 2017/06/29 16:35 | Tommy Robredo v Guilherme Clezar | 6-7,7-6,6-3 |
| Challenger Milan | 2017/06/26 13:20 | Guilherme Clezar v Thiago Monteiro | 6-3,6-3 |
| Challenger Todi | 2017/06/20 09:30 | Guilherme Clezar v Gastao Elias | 6-3,3-6,4-6 |
| Challenger Lisbon | 2017/06/13 16:30 | Frederico Ferreira Silva v Guilherme Clezar | 6-2,6-4 |
| ITF Spain F16 | 2017/06/07 10:15 | David Vega Hernandez v Guilherme Clezar | 6-4,6-4 |
| ITF Spain F16 | 2017/06/06 09:00 | Lamine Ouahab v Guilherme Clezar | 7-6,1-6,4-6 |
| Davis Cup | 2017/07/22 14:00 | Benjamin Lock v Sheil Kotecha | 6-1,6-1 |
| Davis Cup | 2017/07/21 15:15 | Benjamin Lock v Mohamed Safwat | 2-6,2-6 |
| Davis Cup | 2017/07/19 14:00 | Benjamin Lock v Joseph Imeh Ubon | 6-4,6-2 |
| Davis Cup | 2017/07/17 15:15 | Benjamin Lock v Olivier Havugimana | 6-1,6-1 |
| ITF Egypt F19 | 2017/07/05 16:00 | Benjamin Lock v Michael Zhu | 3-6,4-6 |
| ITF Zimbabwe F3 | 2017/06/29 09:00 | Benjamin Lock v Jonathan Kanar | 3-6,5-7 |
| ITF Zimbabwe F3 | 2017/06/28 09:30 | Benjamin Lock v Isaac Stoute | 6-2,6-0 |
| ITF Zimbabwe F3 | 2017/06/27 09:50 | Benjamin Lock v Clifford Enosoregbe | 6-0,6-0 |