Stadium: Pista 2 Round: 14 Ground: Clay
| ITF M25 Reus | 2023/04/06 09:00 | Oscar Jose Gutierrez v Miguel Damas | 2-6,7-5,1-6 |
| Challenger Las Franquesas del Valles | 2023/03/20 09:00 | Daniel Cox v Oscar Jose Gutierrez | 4-6,6-0,7-6 |
| Challenger Las Franquesas del Valles | 2023/03/19 11:00 | Dmitry Kovkin v Oscar Jose Gutierrez | 0-6,1-6 |
| ITF M25 Palmanova | 2023/03/15 14:10 | Oscar Jose Gutierrez v Bruno P Navarro | 7-6,6-4 |
| ITF M25 Torello | 2023/03/02 13:10 | Edas Butvilas v Oscar Jose Gutierrez | 6-4,6-2 |
| ITF M25 Torello | 2023/03/01 12:40 | Paul Cayre v Oscar Jose Gutierrez | 6-2,4-6,4-6 |
| Challenger Rovereto | 2023/02/19 12:05 | Alejandro Moro Canas v Oscar Jose Gutierrez | 6-4,6-0 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/16 11:25 | Federico Gaio v Oscar Jose Gutierrez | 4-6,6-4,6-2 |
| Challenger Murcia | 2023/04/02 09:00 | Daniel Rincon v Ji Sung Nam | 3-6,2-6 |
| Challenger Girona | 2023/03/27 09:00 | Jesper De Jong v Daniel Rincon | 6-3,6-2 |
| Challenger Girona | 2023/03/26 11:25 | Coleman Wong v Daniel Rincon | 1-6,4-6 |
| Challenger Puerto Vallarta | 2023/03/09 01:00 | Benoit Paire v Daniel Rincon | 6-2,5-7,6-2 |
| Challenger Puerto Vallarta | 2023/03/07 05:10 | Daniel Rincon v Alan F R Fierros | 6-4,6-2 |
| Challenger Waco | 2023/02/26 17:00 | Illya Marchenko v Daniel Rincon | 7-6,6-4 |
| Challenger Rome GA | 2023/02/20 20:30 | Daniel Rincon v Henri Squire | 4-6,2-6 |
| Challenger Tenerife | 2023/02/07 12:40 | Matteo Gigante v Daniel Rincon | 6-4,6-2 |