Stadium: Cancha 10 Round: 25 Ground: Hardcourt outdoor
| ITF Brazil F7 | 2018/10/28 15:00 | Caio Gruber v Natan Rodrigues | 2-6,2-6 |
| ITF Brazil F6 | 2018/10/20 13:00 | Caio Gruber v Matheus T Rezende | 6-1,3-6,0-6 |
| ITF Brazil F5 | 2018/10/14 13:00 | Joao Hinsching v Caio Gruber | 6-1,6-1 |
| ITF Brazil F5 | 2018/10/13 13:00 | Caio Gruber v Pedro Ortega | 6-7,7-5,6-2 |
| ITF M15 Fayetteville | 2019/09/18 14:00 | Ivailo Keremedchiev v Alex Blumenberg | 7-6,6-2 |
| ITF M15 Champaign | 2019/09/11 16:00 | Kareem Allaf v Alex Blumenberg | 7-6,4-6,6-3 |
| ITF M15 Lambare | 2019/08/22 17:40 | Gonzalo Villanueva v Alex Blumenberg | 6-3,6-3 |
| ITF M15 Lambare | 2019/08/21 20:15 | Alex Blumenberg v Fernando Yamacita | 7-5,6-3 |
| ITF M15 La Paz | 2019/08/16 14:00 | Alex Blumenberg v Joao Hinsching | 4-6,6-7 |
| ITF M15 La Paz | 2019/08/15 16:40 | Alex Blumenberg v Julian Gimenez | 6-3,6-2 |
| ITF M15 La Paz | 2019/08/14 14:00 | Fermin Tenti v Alex Blumenberg | 6-7,3-6 |
| ITF M15 Santa Cruz | 2019/08/10 22:15 | Juan Sebastian Gomez v Alex Blumenberg | 7-5,7-6 |