Stadium: Center Court Round: 64 Ground: Clay
| Forli 6, Italy | 2020/09/24 09:55 | Clezar, Guilherme v Andrea Pellegrino | 4-6,2-6 |
| Forli 6, Italy | 2020/09/23 10:45 | Federico Coria v Clezar, Guilherme | 6-7,7-6,4-6 |
| Forli 6, Italy | 2020/09/21 08:00 | Clezar, Guilherme v Bachinger, Matthias | 7-6,3-6,6-3 |
| ITF M25 Plaisir | 2020/09/18 11:00 | Igor Sijsling v Clezar, Guilherme | 6-4,6-4 |
| ITF M25 Plaisir | 2020/09/17 10:20 | Valentin Royer v Clezar, Guilherme | 7-6,6-7,4-6 |
| ITF M25 Plaisir | 2020/09/16 12:10 | Alexis Gautier v Clezar, Guilherme | 4-6,4-6 |
| Monterrey, Mexico | 2020/03/05 20:30 | Clezar, Guilherme v King, Kevin | 6-7,6-4,4-6 |
| Monterrey, Mexico | 2020/03/04 17:00 | Federico Coria v Clezar, Guilherme | 1-6,7-6,6-7 |
| Adriatic Tennis Series | 2020/06/16 11:00 | Mektic, Nikola v Kekez, Duje | 6-2,6-1 |
| ITF - M15 Porec | 2020/03/09 10:15 | Kekez, Duje v Jotovski, Tomislav | 2-6,2-6 |
| ITF - M15 Porec | 2020/03/08 10:55 | Kekez, Duje v Rogic Hadzalic, Alen | 7-5,6-2 |
| ITF M15 Cairo | 2020/01/16 10:25 | Kekez, Duje v Hajek, Petr | 5-7,6-2,3-6 |
| ITF M15 Cairo | 2020/01/15 09:15 | Perchicot, Mathieu v Kekez, Duje | 4-6,4-6 |
| ITF - M15 Antalya | 2019/10/31 08:55 | Michael Vrbensky v Kekez, Duje | 6-2,6-4 |
| ITF - M15 Antalya | 2019/10/30 08:20 | Kekez, Duje v Liska, Tomas | 6-1,6-2 |
| ITF - M15 Antalya | 2019/10/24 09:30 | Kekez, Duje v Michael Vrbensky | 4-6,6-4,6-7 |