Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Xativa | 2023/08/02 19:25 | Fnu Nidunjianzan v Ignacio Parisca | 6-1,6-4 |
| Castellon, Singles Qualifying M-ITF-ESP-34A | 2023/10/17 07:30 | Oscar Jose Gutierrez v Sergi Fita Juan | 6-1,6-1 |
| Castellon, Singles Qualifying M-ITF-ESP-34A | 2023/10/16 11:00 | Oscar Jose Gutierrez v Asier Civera Martinez | 6-0,6-0 |
| Castellon, Singles Qualifying M-ITF-ESP-34A | 2023/10/15 10:00 | Oscar Jose Gutierrez v Valentin Lapalu | 7-6,7-6 |
| ITF M25 Zaragoza | 2023/10/03 10:30 | Oscar Jose Gutierrez v Iliyan Radulov | 1-6,6-7 |
| ITF M25 Sabadell | 2023/09/26 11:05 | Oscar Jose Gutierrez v Alex M Pujolras | 6-4,2-6,2-6 |
| Challenger Seville | 2023/09/04 16:50 | Cervantes, Inigo v Oscar Jose Gutierrez | 7-5,6-2 |
| Challenger Seville | 2023/09/04 13:00 | Lawson, Alex v Oscar Jose Gutierrez | 1-6,2-6 |
| ITF M25 Oviedo | 2023/08/30 09:15 | Oscar Jose Gutierrez v Facundo Mena | 3-6,2-6 |