Stadium: Court 4 Round: 26 Ground: Clay
| ITF Argentina F4 | 2017/08/21 15:00 | Oscar Jose Gutierrez v Tsuchiya, Alexandre | 6-3,7-5 |
| ITF Argentina F2 | 2017/06/13 12:30 | Tsuchiya, Alexandre v Oscar Jose Gutierrez | 6-3,2-6,6-7 |
| ITF Brazil F1 | 2018/04/24 18:30 | Tsuchiya, Alexandre v Fernando Yamacita | 6-4,6-2 |
| ITF Brazil F4 | 2017/11/29 16:05 | Orlando Luz v Tsuchiya, Alexandre | 6-2,7-5 |
| ITF Brazil F4 | 2017/11/27 15:00 | Tsuchiya, Alexandre v Wilson Leite | 7-5,7-6 |
| ITF Brazil F3 | 2017/11/25 16:20 | Jose Pereira v Tsuchiya, Alexandre | 7-5,6-4 |
| ITF Brazil F3 | 2017/11/24 17:40 | Tsuchiya, Alexandre v Hank, Tigre | 6-3,2-6,6-2 |
| ITF Brazil F3 | 2017/11/22 13:30 | Sao Thiago, Igor v Tsuchiya, Alexandre | 1-6,4-6 |
| ITF Brazil F3 | 2017/11/20 14:00 | Gabriel P Tumasonis v Tsuchiya, Alexandre | 1-6,4-6 |
| ITF Brazil F2 | 2017/11/13 13:30 | Jose Pereira v Tsuchiya, Alexandre | 6-4,4-6,6-3 |
| ITF Brazil F1 | 2018/04/23 19:15 | Ribeiro Marcondes, Igor v Oscar Jose Gutierrez | 6-2,2-6,3-6 |
| Turkey F12, Singles Qualifying | 2018/03/29 13:00 | Oscar Jose Gutierrez v Dimitar Kuzmanov | 3-6,1-6 |
| Turkey F12, Singles Qualifying | 2018/03/28 08:40 | Netuschil, Marvin v Oscar Jose Gutierrez | 4-6,0-6 |
| ITF Turkey F11 | 2018/03/21 09:10 | Oscar Jose Gutierrez v Juan Pablo Varillas | 3-6,1-6 |
| Turkey F10, Singles Qualifying | 2018/03/17 07:30 | Oscar Jose Gutierrez v Nedelko, Ivan | 1-6,7-5,0-6 |
| Turkey F10, Singles Qualifying | 2018/03/16 07:30 | Oscar Jose Gutierrez v Mikhail Korovin | 6-3,2-6,6-4 |
| Turkey F10, Singles Qualifying | 2018/03/15 11:50 | Oscar Jose Gutierrez v Francisco Cerundolo | 6-3,6-3 |
| Turkey F10, Singles Qualifying | 2018/03/14 07:30 | Oscar Jose Gutierrez v Vasilyev, Ilya | 6-2,6-0 |