| ITF - República Checa F5 | 07/05 09:55 | 27 | [431] Oscar Jose Gutierrez v David Poljak [499] | 4-6,1-6 | |
| ITF - República Checa F5 | 07/04 09:55 | 26 | [431] Oscar Jose Gutierrez v Robin Stanek [477] | 6-2,6-4 | |
| ITF - República Checa F5 | 07/02 11:30 | 25 | Oscar Jose Gutierrez v Petr Michnev | 6-3,6-2 | |
| ITF - República Checa F4 | 06/26 08:00 | 25 | Jan Mertl v Oscar Jose Gutierrez | 7-6,6-3 | |
| ITF - Hungria F5 | 06/21 08:00 | 27 | [455] Oscar Jose Gutierrez v Bruno Sant'anna [466] | Retired | |
| ITF - Hungria F5 | 06/20 09:40 | 26 | Oscar Jose Gutierrez v Eduardo Dischinger | 6-2,6-1 | |
| ITF - Hungria F5 | 06/19 09:35 | 25 | [455] Oscar Jose Gutierrez v Peter Nagy [451] | 4-6,6-3,6-1 | |
| ITF - Hungria F4 | 06/16 08:00 | 28 | [421] Oscar J. Gutierrez v Lenny Hampel [417] | 1-6,4-6 | |
| ITF - Hungria F4 | 06/15 08:00 | 27 | Peter Nagy v Oscar J. Gutierrez | 7-5,4-6,1-6 | |
| ITF - Hungria F4 | 06/14 09:30 | 26 | Vlad Andrei Dancu v Oscar J. Gutierrez | 2-6,3-6 | |
| ITF - Hungria F4 | 06/12 08:00 | 25 | Ljubomir Celebic v Oscar J. Gutierrez | 2-6,6-4,3-6 | |
| ITF - Argentina F3 | 05/30 13:00 | 26 | Tomas Martin Etcheverry v Oscar Jose Gutierrez | 7-6,6-2 | |
| ITF - Argentina F3 | 05/29 13:00 | 25 | Facundo Juarez v Oscar Jose Gutierrez | Retired | |
| ITF - Argentina F2 | 05/25 13:00 | 28 | Juan Carlos Saez v Oscar Jose Gutierrez | 6-4,4-6,6-4 | |
| ITF - Argentina F2 | 05/24 14:00 | 27 | Eduardo Agustin Torre v Oscar Jose Gutierrez | 4-6,1-6 | |
| ITF - Argentina F2 | 05/23 13:00 | 26 | Felipe Derdoy v Oscar Jose Gutierrez | 0-6,0-6 | |
| ITF - Argentina F2 | 05/22 13:00 | 25 | Mateo Nicolas Martinez v Oscar Jose Gutierrez | 6-4,4-6,2-6 | |
| ITF - Brasil F4 | 05/17 19:30 | 26 | [490] Oscar Jose Gutierrez v Jose Pereira [472] | 2-6,2-6 | |
| ITF - Brasil F4 | 05/15 13:00 | 25 | Oscar Jose Gutierrez v Igor Gimenez | 6-0,7-6 | |
| ITF - Brasil F3 | 05/13 13:30 | 29 | Oscar Jose Gutierrez v Marcelo Zormann | 6-2,6-2 | |
| ITF - Brasil F3 | 05/12 17:20 | 28 | Nicolas Santos v Oscar Jose Gutierrez | 6-4,3-6,4-6 | |
| ITF - Brasil F3 | 05/11 18:25 | 27 | Pedro Sakamoto v Oscar Jose Gutierrez | 5-7,6-4,3-6 | |
| ITF - Brasil F3 | 05/10 15:30 | 26 | Mateus Alves v Oscar Jose Gutierrez | 2-6,2-6 | |
| ITF - Brasil F3 | 05/08 15:55 | 25 | Andre Miele v Oscar Jose Gutierrez | 3-6,4-6 | |
| ITF - Brasil F2 | 05/05 18:05 | 28 | Gonzalo Villanueva v Oscar J. Gutierrez | 6-7,6-3,6-3 | |
| ITF - Brasil F2 | 05/05 00:25 | 27 | Oscar J. Gutierrez v Pedro Sakamoto | 6-3,2-6,6-3 | |
| ITF - Brasil F2 | 05/02 18:10 | 26 | Oscar J. Gutierrez v Joao L R Da Silva | 6-4,6-3 | |
| ITF - Brasil F2 | 05/01 15:00 | 25 | Oscar J. Gutierrez v Fernando Yamacita | 6-4,6-0 | |
| ITF - Brasil F1 | 04/27 17:00 | 27 | Camilo Ugo Carabelli v Oscar Jose Gutierrez | 4-6,6-3,6-1 | |
| ITF - Brasil F1 | 04/25 15:30 | 26 | Alexandre Tsuchiya v Oscar Jose Gutierrez | 4-6,7-6,2-6 |