Stadium: Quadra Joao Lima Round: 25 Ground: Clay
| Challenger Campinas | 2015/09/21 21:35 | Christian Lindell v Guilherme Clezar | 7-5,3-6,4-6 |
| Davis Cup | 2017/09/15 02:00 | Yuichi Sugita v Guilherme Clezar | 6-2,7-5,7-6 |
| Challenger Quito | 2017/09/01 16:30 | Nicolas Jarry v Guilherme Clezar | 4-6,7-6,6-4 |
| Challenger Quito | 2017/08/30 17:15 | Roberto Quiroz v Guilherme Clezar | 3-6,7-6,2-6 |
| Challenger Santo Domingo | 2017/08/16 02:20 | Damir Dzumhur v Guilherme Clezar | 7-6,6-3 |
| Challenger Floridablanca | 2017/08/10 20:55 | Guilherme Clezar v Gonzalo Lama | 6-2,4-6,4-6 |
| Challenger Floridablanca | 2017/08/09 16:00 | Guilherme Clezar v Joao Pedro Sorgi | 6-3,6-4 |
| Challenger Floridablanca | 2017/08/08 16:00 | Guilherme Clezar v Benjamin Lock | 6-3,6-3 |
| Challenger Liberec | 2017/08/06 10:00 | Pedro Sousa v Guilherme Clezar | 6-4,5-7,6-2 |
| Challenger Bogota | 2017/09/05 16:55 | Christian Lindell v Riccardo Bellotti | 3-6,6-3,4-6 |
| Challenger Manerbio Qual | 2017/08/19 13:35 | Maximilian Neuchrist v Christian Lindell | 6-1,6-4 |
| Challenger Cordenons | 2017/08/15 15:10 | Andrea Arnaboldi v Christian Lindell | 6-1,6-4 |
| Challenger Cordenons Qual | 2017/08/14 10:00 | Christian Lindell v Igor Zelenay | 6-3,6-3 |
| Challenger Cordenons Qual | 2017/08/13 11:00 | Christian Lindell v Francesco Ferrari | 6-2,6-2 |
| ITF Italy F25 | 2017/08/11 11:00 | Christian Lindell v Mohamed Safwat | 6-7,3-6 |
| ITF Italy F25 | 2017/08/10 09:30 | Christian Lindell v Goncalo Oliveira | 2-6,7-6,6-3 |
| ITF Italy F25 | 2017/08/09 08:00 | Christian Lindell v Alexander Weis | 7-5,6-2 |