| ITF M25 Gurb | 05/18 15:00 | 26 | Tomas C Abasolo v Oscar Jose Gutierrez | 6-3,5-7,6-4 | |
| ITF M25 Gurb | 05/17 13:35 | 25 | [493] Oscar Jose Gutierrez v Alex M Pujolras [377] | 6-3,6-3 | |
| ITF M25 Valldoreix | 05/09 11:50 | 25 | [377] Alex M Pujolras v Oscar Jose Gutierrez [493] | 6-4,7-6 | |
| ITF M25 Sabadell | 05/02 11:00 | 25 | [487] Oscar Jose Gutierrez v Damien Wenger [401] | 5-7,3-6 | |
| Challenger Oeiras | 04/16 10:50 | 14 | [481] Oscar Jose Gutierrez v Akira Santillan [413] | 3-6,3-6 | |
| Challenger Madrid | 04/09 13:00 | 14 | [459] Oscar J. Gutierrez v Daniel Rincon [308] | 5-7,2-6 | |
| ITF M25 Reus | 04/06 09:00 | 26 | Oscar Jose Gutierrez v Miguel Damas | 2-6,7-5,1-6 | |
| ITF M25 Reus | 04/05 10:20 | 25 | Oscar Jose Gutierrez v Ignasi De Rueda De Genover | Retired | |
| Challenger Las Franquesas del Valles | 03/20 09:00 | 19 | [425] Daniel Cox v Oscar J. Gutierrez [432] | 4-6,6-0,7-6 | |
| Challenger Las Franquesas del Valles | 03/19 11:00 | 14 | Dmitry Kovkin v Oscar J. Gutierrez | 0-6,1-6 | |
| ITF M25 Palmanova | 03/16 11:40 | 26 | [320] Pablo Llamas Ruiz v Oscar Jose Gutierrez [424] | Retired | |
| ITF M25 Palmanova | 03/15 14:10 | 25 | Oscar Jose Gutierrez v Bruno P Navarro | 7-6,6-4 | |
| ITF M25 Torello | 03/02 13:10 | 26 | Edas Butvilas v Oscar Jose Gutierrez | 6-4,6-2 | |
| ITF M25 Torello | 03/01 12:40 | 25 | Paul Cayre v Oscar Jose Gutierrez | 6-2,4-6,4-6 | |
| Challenger Rovereto | 02/19 12:05 | 14 | [295] Alejandro Moro Canas v Oscar Jose Gutierrez [425] | 6-4,6-0 | |
| ITF M25 Vila Real de Santo Antonio | 02/16 11:25 | 26 | [381] Federico Gaio v Oscar Jose Gutierrez [425] | 4-6,6-4,6-2 | |
| ITF M25 Vila Real de Santo Antonio | 02/15 15:20 | 25 | Timo Legout v Oscar Jose Gutierrez | 4-6,4-6 | |
| Challenger Tenerife | 02/09 13:05 | 26 | [409] Stefano Travaglia v Oscar Jose Gutierrez [445] | 6-0,6-0 | |
| Challenger Tenerife | 02/07 12:50 | 25 | [445] Oscar Jose Gutierrez v Marek Gengel [258] | 1-6,6-0,6-3 | |
| Challenger Tenerife Qual | 02/06 15:00 | 19 | [445] Oscar Jose Gutierrez v Christian Harrison [351] | 4-6,6-4,2-6 | |
| Challenger Tenerife Qual | 02/06 10:00 | 14 | [262] Nicolas Alvarez Varona v Oscar Jose Gutierrez [445] | 3-6,3-6 | |
| Challenger Ottignies | 01/23 09:00 | 14 | [438] Oscar Jose Gutierrez v Henri Squire [341] | 6-4,4-6,3-6 | |
| ITF M25 Manacor | 01/18 17:50 | 25 | Nikolay Nedelchev v Oscar Jose Gutierrez | 6-7,6-2,6-2 | |
| ITF M15 Manacor | 01/11 11:55 | 25 | Jakob Schnaitter v Oscar Jose Gutierrez | 6-7,7-5,6-3 | |
| Challenger Oeiras | 01/01 15:50 | 14 | [341] Joris De Loore v Oscar Jose Gutierrez [436] | 6-1,6-2 | |
| Challenger Valencia | 11/20 11:50 | 14 | [305] Javier Barranco Cosano v Oscar Jose Gutierrez [397] | 6-2,3-6,6-0 | |
| Challenger Roanne | 11/06 09:00 | 14 | [446] Mark Lajal v Oscar Jose Gutierrez [388] | 6-4,6-0 | |
| Challenger Brest | 10/23 08:00 | 14 | [458] Evgeny Donskoy v Oscar Jose Gutierrez [379] | 7-6,6-2 | |
| Challenger Hamburg | 10/16 10:45 | 14 | [373] Oscar Jose Gutierrez v Kai Wehnelt [257] | 6-3,3-6,3-6 | |
| Challenger Alicante | 10/03 09:00 | 19 | [342] Bu Yunchaokete v Oscar Jose Gutierrez [367] | 6-4,7-6 |