Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Zapopan | 2023/10/10 17:45 | Joao Vitor Goncalves Ceolin v Lorenzo Claverie | 1-6,2-6 |
| ITF M15 - São Paulo | 2023/08/24 19:15 | Eduardo Ribeiro v Joao Vitor Goncalves Ceolin | 7-5,6-3 |
| ITF M15 - São Paulo | 2023/08/23 13:55 | William Norton v Joao Vitor Goncalves Ceolin | 4-6,5-7 |
| ITF M15 - São Paulo | 2023/08/22 15:50 | Jean-Christian Morandais v Joao Vitor Goncalves Ceolin | 4-6,4-6 |
| ITF - M25 Pensacola | 2023/05/16 17:20 | Joao Vitor Goncalves Ceolin v Jonah Braswell | 6-4,3-6,9-11 |
| ITF - M25 Pensacola | 2023/05/15 18:00 | Joao Vitor Goncalves Ceolin v David Krasner | 6-1,6-2 |
| ITF - M15 Vero Beach | 2023/04/25 14:00 | Joao Vitor Goncalves Ceolin v Jorge Cavero | 2-6,4-6 |
| ITF - M15 Vero Beach | 2023/04/24 16:00 | Elijah Strode v Joao Vitor Goncalves Ceolin | 6-7,1-6 |
| ITF - M25 Takasaki | 2023/09/23 01:40 | Makoto Ochi v Collin Altamirano | 6-7,6-1,6-2 |
| ITF - M25 Takasaki | 2023/09/22 01:00 | Kazuki Nishiwaki v Collin Altamirano | 3-6,1-6 |
| ITF - M25 Takasaki | 2023/09/21 03:50 | Collin Altamirano v Hiroyasu Ehara | 6-4,6-1 |
| ITF - M25 Takasaki | 2023/09/20 04:00 | Hayato Matsuoka v Collin Altamirano | 7-5,4-6,2-6 |
| ITF - M25 Takasaki | 2023/09/18 03:10 | Collin Altamirano v Shunsuke Nakagawa | 6-3,6-2 |
| ITF - M25 Sapporo | 2023/09/13 03:05 | Collin Altamirano v Yuki Mochizuki | 6-7,4-6 |
| ITF - M25 Sapporo | 2023/09/11 03:20 | Yuta Tomida v Collin Altamirano | 3-6,5-7 |
| ITF M25 - Hongkong | 2023/09/06 02:00 | Collin Altamirano v Kazuki Nishiwaki | 3-6,5-7 |