Stadium: Center Court Round: 28 Ground: Clay
| ITF M15 Wroclaw | 2023/06/30 10:35 | Goncalo Oliveira v Tyler Zink | 7-5,6-4 |
| ITF M15 Wroclaw | 2023/06/29 10:30 | Goncalo Oliveira v Dali Blanch | 6-2,6-4 |
| ITF M15 Wroclaw | 2023/06/28 13:40 | Goncalo Oliveira v Daniel Paty | 6-4,6-3 |
| ITF M25 Risskov/Aarhus | 2023/06/15 11:25 | Anders Grinderslev v Goncalo Oliveira | 1-6,1-6 |
| ITF M25 Risskov/Aarhus | 2023/06/14 12:40 | Aleksandr Braynin v Goncalo Oliveira | 6-7,4-6 |
| ITF M25 Cordoba | 2023/06/09 11:15 | Goncalo Oliveira v Carlos Lopez Montagud | 6-7,6-7 |
| ITF M25 Cordoba | 2023/06/07 16:00 | Goncalo Oliveira v Valerio Aboian | 6-2,6-4 |
| ITF M25 Rome | 2023/06/03 09:30 | Luca Potenza v Goncalo Oliveira | 2-6,1-6 |
| ITF M15 Wroclaw | 2023/06/30 10:00 | Kirill Kivattsev v Michal Mikula | 6-2,6-1 |
| ITF M15 Wroclaw | 2023/06/29 08:00 | Kirill Kivattsev v Olaf Pieczkowski | 4-6,6-0,6-1 |
| ITF M15 Wroclaw | 2023/06/28 10:15 | Kirill Kivattsev v Maciej Rajski | 4-6,6-4,6-4 |
| ITF M25 Cattolica | 2023/06/22 17:05 | Samuel Vincent Ruggeri v Kirill Kivattsev | 6-2,6-1 |
| ITF M25 Cattolica | 2023/06/21 13:55 | Kirill Kivattsev v Tommaso Compagnucci | 6-3,6-4 |
| ITF M25 Cattolica | 2023/06/20 19:00 | Kirill Kivattsev v Alessandro Pecci | 6-2,6-3 |
| ITF M25 Kiseljak | 2023/06/03 16:30 | Kirill Kivattsev v Duje Ajdukovic | 3-6,6-7 |
| ITF M25 Kiseljak | 2023/06/03 08:00 | Kirill Kivattsev v Bogdan Bobrov | 7-6,7-6 |