| ITF - M25 - Benicarló | 11/07 10:20 | 62 | Oscar Jose Gutierrez v Anthony Genov | Retired | |
| ITF - M25 - Benicarló | 11/06 09:00 | 62 | Oscar Jose Gutierrez v Iker Sevilla | 6-1,6-1 | |
| ITF - M25 - Benicarló | 11/05 08:30 | 62 | Oscar Jose Gutierrez v Darius Florin Pop | 6-3,6-2 | |
| ITF - M25 - Mulhouse | 10/29 16:40 | 54 | Oscar Jose Gutierrez v Antoine Walch | 2-6,1-6 | |
| ITF - M15 - Castellon | 10/19 07:25 | 26 | Sergi Perez Contri v Oscar Jose Gutierrez | 6-4,4-6,6-4 | |
| ITF - M15 - Castellon | 10/18 07:30 | 25 | Ignacio Parisca v Oscar Jose Gutierrez | 4-6,6-7 | |
| ITF - M15 - Castellon | 10/17 07:30 | 62 | Oscar Jose Gutierrez v Sergi Fita Juan | 6-1,6-1 | |
| ITF - M15 - Castellon | 10/16 11:00 | 62 | Oscar Jose Gutierrez v Asier Civera Martinez | 6-0,6-0 | |
| ITF - M15 - Castellon | 10/15 10:00 | 62 | Oscar Jose Gutierrez v Valentin Lapalu | 7-6,7-6 | |
| ITF - M15 - Vigo | 10/11 12:10 | 25 | Giacomo Revelli v Oscar Jose Gutierrez | Retired | |
| ITF - M25 - Saragossa | 10/03 10:30 | 25 | Oscar Jose Gutierrez v Iliyan Radulov | 1-6,6-7 | |
| ITF - M25 - Sabadell | 09/26 11:05 | 25 | Oscar Jose Gutierrez v Alex M Pujolras | 6-4,2-6,2-6 | |
| Challenger - Sibiu | 09/17 07:30 | 14 | Michael Vrbensky v Oscar Jose Gutierrez | Retired | |
| Challenger - Sevilla | 09/04 16:50 | 19 | Inigo Cervantes v Oscar Jose Gutierrez | 7-5,6-2 | |
| Challenger - Sevilla | 09/04 13:00 | 14 | Alex Lawson v Oscar Jose Gutierrez | 1-6,2-6 | |
| ITF - M25 - Oviedo | 08/30 09:15 | 25 | Oscar Jose Gutierrez v Facundo Mena | 3-6,2-6 | |
| ITF - M25 - Santander | 08/23 09:50 | 26 | Sergi Perez Contri v Oscar Jose Gutierrez | 6-4,7-6 | |
| ITF - M25 - Santander | 08/22 13:00 | 25 | Oscar Jose Gutierrez v Michiel de Krom | 6-2,6-0 | |
| ITF - M15 - Eupen | 08/09 13:05 | 25 | Jack Loge v Oscar Jose Gutierrez | Retired | |
| Challenger - Liberec | 07/30 08:00 | 14 | Kirill Kivattsev v Oscar Jose Gutierrez | 6-2,6-4 | |
| ITF - M25 - Denia | 07/26 15:25 | 25 | Oscar Jose Gutierrez v Vilius Gaubas | 5-7,6-7 | |
| Challenger - Braunschweig | 07/09 14:10 | 14 | Oscar Jose Gutierrez v Karl Friberg | 0-6,6-2,3-6 | |
| Challenger - Troyes | 07/02 15:10 | 14 | Matteo Martineau v Oscar Jose Gutierrez | 6-0,7-5 | |
| ITF - M25 - Bakio | 06/28 13:25 | 26 | Oscar Jose Gutierrez v Stefanos Sakellaridis | 3-6,3-6 | |
| ITF - M25 - Bakio | 06/27 14:30 | 25 | Oscar Jose Gutierrez v Liam Branger | 6-3,6-4 | |
| ITF - M25 - Mungia | 06/21 14:30 | 26 | Oscar Jose Gutierrez v Kane Bonsach Ganley | 2-6,4-6 | |
| ITF - M25 - Mungia | 06/19 12:45 | 25 | Oscar Jose Gutierrez v Pablo Riva | 6-0,6-4 | |
| Challenger - Lyon | 06/11 10:35 | 45 | [163] Dennis Novak v Oscar Jose Gutierrez [491] | 6-0,3-6,6-3 | |
| ITF - M25 - Córdoba | 06/06 16:00 | 25 | [491] Oscar Jose Gutierrez v Valentin Royer [301] | 6-4,3-6,2-6 | |
| ITF - M25 - Mataró | 05/24 11:25 | 25 | Oscar Jose Gutierrez v Dali Blanch | 3-6,3-6 |