Stadium: Quadra 3 Round: 25 Ground: Clay
| ITF M25 Rio de Janeiro | 2019/10/11 13:00 | Zukas, Matias v Huertas Del Pino Cordova, Arklon | 6-1,2-6,3-6 |
| ITF M25 Rio de Janeiro | 2019/10/10 16:30 | Zukas, Matias v Joao Lucas Reis da Silva | 6-3,3-6,6-4 |
| Challenger Campinas | 2019/09/30 14:35 | Zukas, Matias v Juan Pablo Ficovich | 2-6,3-6 |
| Challenger - Buenos Aires | 2019/09/23 16:15 | Zukas, Matias v Camilo Ugo Carabelli | 6-4,6-7,2-6 |
| Challenger Banja Luka | 2019/09/10 08:00 | Nedelko, Ivan v Zukas, Matias | 6-1,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/05 10:50 | Kenneth Raisma v Zukas, Matias | 6-4,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/04 13:35 | Alessandro Ingarao v Zukas, Matias | 4-6,4-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/08/29 11:45 | Zukas, Matias v Alexandros Skorilas | 6-3,6-1 |
| Santa Tecla, Singles M-ITF-ESA-01A | 2019/10/04 15:00 | Olivares, Jose v Blumenberg, Alex | 6-3,7-5 |
| Santa Tecla, Singles M-ITF-ESA-01A | 2019/10/02 23:45 | Enrique Bogo v Blumenberg, Alex | 6-7,4-6 |
| Santa Tecla, Singles M-ITF-ESA-01A | 2019/10/01 15:00 | Gruber, Caio v Blumenberg, Alex | 2-6,2-6 |
| ITF M15 Fayetteville | 2019/09/18 14:00 | Keremedchiev, Ivailo v Blumenberg, Alex | 7-6,6-2 |
| ITF M15 Champaign | 2019/09/11 16:00 | AL Allaf, Kareem v Blumenberg, Alex | 7-6,4-6,6-3 |
| ITF M15 Lambare | 2019/08/22 17:40 | Gonzalo Villanueva v Blumenberg, Alex | 6-3,6-3 |
| ITF M15 Lambare | 2019/08/21 20:15 | Blumenberg, Alex v Fernando Yamacita | 7-5,6-3 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/16 14:00 | Blumenberg, Alex v Hinsching, Joao | 4-6,6-7 |