Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/08/13 08:00 | William Mclennaghan v Daniel Marincas | 6-3,6-4 |
| ITF M15 Monastir | 2023/08/06 08:00 | Michal Krajci v Daniel Marincas | 6-3,6-4 |
| ITF M25 Porto | 2023/07/23 09:00 | Daniel Marincas v Pedro D L R Bueno | 6-7,6-4,6-10 |
| ITF M25 Portimao | 2023/03/12 13:00 | Valentino Pozzi v Daniel Marincas | 6-4,6-0 |
| ITF M25 Loule | 2023/02/26 12:00 | Daniel Marincas v Sergio Davila Godoy | 1-6,0-6 |
| ITF M25 Faro | 2023/02/19 11:00 | Maurus Malgiaritta v Daniel Marincas | 6-0,6-0 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/13 12:10 | Matej Vocel v Daniel Marincas | 6-1,6-0 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/12 09:00 | Daniel Marincas v Glauco Pinheiro Da Cruz Junior | 6-2,6-2 |
| ITF M25 Sintra | 2023/09/11 13:00 | Alejandro T Alvarez v Peter Sychev | 6-1,6-1 |
| ITF M25 Sintra | 2023/09/06 10:50 | Diego F Flores v Peter Sychev | 6-3,6-1 |
| ITF M25 Idanha-A-Nova | 2023/08/28 11:20 | Daniel Batista v Peter Sychev | 6-2,6-2 |
| ITF M25 Idanha-A-Nova | 2023/08/27 12:00 | Tomas Tenil v Peter Sychev | 1-6,2-6 |
| ITF M25 Idanha-A-Nova | 2023/08/21 08:00 | Patricio Alvarado v Peter Sychev | 3-6,6-2,10-6 |
| ITF M25 Idanha-A-Nova | 2023/08/20 10:00 | Manuel G Pinheiro v Peter Sychev | 6-3,4-6,6-10 |
| ITF M25 Quinta Do Lago | 2023/03/08 13:45 | Ian Luca Cervantes Tomas v Peter Sychev | 6-0,6-3 |
| ITF M25 Quinta Do Lago | 2023/03/07 12:30 | Peter Sychev v Joshua Schaefer | 0-6,7-6,14-12 |