Round: 62 Ground: Clay
| ITF Argentina F2 | 2018/05/22 16:15 | Juan Bautista Otegui v Camilo Ugo Carabelli | 4-6,2-6 |
| ITF Argentina F1 | 2018/05/15 12:00 | Juan Bautista Otegui v Santiago Rodriguez Taverna | 4-6,5-7 |
| ITF Brazil F3 | 2018/05/08 17:55 | Christian Lindell v Juan Bautista Otegui | 6-4,6-3 |
| ITF Brazil F3 | 2018/05/07 12:30 | Juan Bautista Otegui v Enrique Bogo | 6-1,6-2 |
| ITF Brazil F3 | 2018/05/06 12:30 | Juan Bautista Otegui v Pedro Ortega | 6-0,6-1 |
| ITF Brazil F2 | 2018/04/30 15:00 | Pedro Sakamoto v Juan Bautista Otegui | 7-5,6-3 |
| ITF Brazil F2 | 2018/04/29 15:00 | Joao Giannella v Juan Bautista Otegui | 3-6,2-6 |
| ITF Brazil F1 | 2018/04/22 15:30 | Juan Bautista Otegui v Victor Castro | 6-1,4-6,4-6 |
| ITF Argentina F2 | 2018/05/19 12:00 | Juan M G Paiva v Alberto Odiseo Alvarado Berrospi | 6-2,6-2 |
| ITF Argentina F1 | 2018/05/12 11:30 | Leonardo Aboian v Alberto Odiseo Alvarado Berrospi | 6-1,6-1 |