Stadium: MTA 05 Round: 25 Ground: Clay
| ITF M25 Esch/Alzette | 2024/01/03 12:20 | Kylian Collignon v Oscar Jose Gutierrez | 6-3,0-6,6-2 |
| ITF M25 Esch/Alzette | 2024/01/01 12:00 | Oscar Jose Gutierrez v Edison Ambarzumjan | 7-5,7-6 |
| ITF M25 Esch/Alzette | 2023/12/31 07:50 | Oscar Jose Gutierrez v Laurent Schroeder | 6-2,6-1 |
| ITF M25 Benicarlo | 2023/11/06 09:00 | Oscar Jose Gutierrez v Iker Sevilla | 6-1,6-1 |
| ITF M25 Benicarlo | 2023/11/05 08:30 | Oscar Jose Gutierrez v Darius Florin Pop | 6-3,6-2 |
| ITF M25 Mulhouse | 2023/10/29 16:40 | Oscar Jose Gutierrez v Antoine Walch | 2-6,1-6 |
| ITF M15 Castellon | 2023/10/19 07:25 | Sergi Perez Contri v Oscar Jose Gutierrez | 6-4,4-6,6-4 |
| ITF M15 Castellon | 2023/10/18 07:30 | Ignacio Parisca v Oscar Jose Gutierrez | 4-6,6-7 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Sean Hodkin v Piotr Kusiewicz | 4-6,6-3,10-4 |
| ITF M25 Heraklion | 2023/11/05 09:00 | Daniel Blazka v Piotr Kusiewicz | 4-6,3-6 |
| ITF M25 Heraklion | 2023/10/31 09:10 | Daniele Rapagnetta v Piotr Kusiewicz | 6-2,6-4 |
| ITF M25 Heraklion | 2023/10/30 09:30 | Andreas Loizas v Piotr Kusiewicz | 4-6,7-6,8-10 |
| ITF M15 Heraklion | 2023/10/22 09:30 | Piotr Kusiewicz v Vojtech Mares | 5-7,6-4,7-10 |
| ITF M15 Heraklion | 2023/10/16 07:00 | Piotr Kusiewicz v Benoit Torcq | 6-2,1-6,6-10 |
| ITF M15 Koszalin | 2023/09/06 07:30 | Valerio Perruzza v Piotr Kusiewicz | 6-1,6-4 |
| ITF M15 Koszalin | 2023/09/05 07:30 | Piotr Kusiewicz v Piotr Siekanowicz | 5-7,7-6,8-10 |