Stadium: Hard Court 3 Round: 26 Ground: Hardcourt outdoor
| ATP Rio De Janeiro | 2020/02/15 19:00 | Mateus Alves v Pedro Martinez | 2-6,3-6 |
| ITF M15 Cancun | 2020/02/06 16:25 | Geoffrey Blancaneaux v Mateus Alves | 6-3,6-0 |
| ITF M15 Cancun | 2020/02/05 14:00 | Jose Pereira v Mateus Alves | 6-4,4-6,1-6 |
| ITF M15 Cancun | 2020/01/28 15:00 | Nick Chappell v Mateus Alves | 6-3,3-6,6-0 |
| ITF M15 Cancun | 2020/01/24 14:00 | Mateus Alves v Jose Pereira | 3-6,4-6 |
| ITF M15 Cancun | 2020/01/23 15:25 | Mateus Alves v Shintaro Mochizuki | 6-2,6-4 |
| ITF M15 Cancun | 2020/01/22 14:00 | Nick Chappell v Mateus Alves | 6-7,6-0,3-6 |
| ITF M15 Cancun | 2020/01/19 14:00 | Alessandro Bega v Mateus Alves | 6-4,6-2 |
| Adriatic Tennis Series | 2020/06/18 17:39 | Matija Pecotic v Pedja Krstin | 7-5,4-6,0-1 |
| Adriatic Tennis Series | 2020/06/17 13:30 | Miljan Zekic v Matija Pecotic | 5-7,5-7 |
| Adriatic Tennis Series | 2020/06/16 13:30 | Antun Vidak v Matija Pecotic | 2-6,2-6 |
| Adriatic Tennis Series | 2020/06/15 15:03 | Grgo Dujmovic v Matija Pecotic | 1-6,1-5 |
| ITF M15 Porec | 2020/03/12 10:45 | Edoardo Eremin v Matija Pecotic | 4-6,2-6 |
| ITF M15 Porec | 2020/03/11 13:40 | Luciano Darderi v Matija Pecotic | 4-6,1-6 |
| Challenger Columbus | 2020/02/26 15:00 | Matija Pecotic v Cedrik-Marcel Stebe | 4-6,6-7 |
| Challenger Columbus | 2020/02/24 20:40 | Matija Pecotic v Ulises Blanch | 7-6,6-3 |