Round: 26 Ground: Clay
| Challenger Blois | 2016/06/14 08:00 | Albert Montanes v Guilherme Clezar | 6-4,6-7,4-6 |
| Challenger Caltanissetta | 2016/06/07 12:10 | Guilherme Clezar v Gianluigi Quinzi | 2-6,6-1,6-7 |
| Challenger Vicenza | 2016/05/24 15:20 | Gastao Elias v Guilherme Clezar | 6-4,6-4 |
| French Open Qual | 2016/05/16 12:35 | Guilherme Clezar v Frances Tiafoe | 6-1,5-7,2-6 |
| Challenger Sarasota | 2016/04/15 21:00 | Noah Rubin v Guilherme Clezar | 3-6,0-6 |
| Challenger Sarasota | 2016/04/13 15:00 | Guilherme Clezar v Nicolas Kicker | 7-6,6-1 |
| Challenger Sarasota | 2016/04/11 19:35 | Guilherme Clezar v Ryan Harrison | 7-5,6-2 |
| ATP Houston Qual | 2016/04/02 16:30 | Brian Baker v Guilherme Clezar | 6-2,7-6 |
| Challenger Blois | 2016/06/14 12:15 | Antal Van Der Duim v Yannik Reuter | 1-6,6-2,6-2 |
| ITF Nigeria F2 MD | 2016/04/28 09:00 | Antal Van Der Duim v Mohamed Safwat | 7-6,4-6,3-6 |
| ITF Nigeria F2 MD | 2016/04/27 10:55 | Antal Van Der Duim v Pirmin Haenle | 6-2,6-2 |
| ITF Nigeria F2 MD | 2016/04/26 10:15 | Antal Van Der Duim v Moses Michael | 6-2,7-6 |
| Challenger St Brieuc Qual | 2016/03/27 11:20 | Antal Van Der Duim v Tristan-Samuel Weissborn | 6-1,7-5 |
| ITF Italy F2 | 2016/03/12 14:30 | Hugo Grenier v Antal Van Der Duim | 6-7,2-6 |
| ITF Italy F2 | 2016/03/11 12:30 | Antal Van Der Duim v Alessandro Bega | 7-5,6-3 |
| ITF Italy F2 | 2016/03/10 11:30 | Tobias Simon v Antal Van Der Duim | 3-6,5-7 |