Stadium: Court 3 Round: 26 Ground: Clay
| ITF Argentina F3 | 2018/05/28 13:00 | Juan Bautista Otegui v Gaston E Cantero | 3-6,7-6,4-6 |
| ITF Argentina F3 | 2018/05/27 12:30 | Juan Bautista Otegui v Benjamin L Ambrosio | 6-0,6-4 |
| ITF Argentina F3 | 2018/05/26 12:00 | Juan Bautista Otegui v Alberto Odiseo Alvarado Berrospi | 6-2,6-3 |
| 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 Ukraine F3 | 2018/05/24 07:00 | Olexiy Kolisnyk v Jonas Merckx | 6-1,6-4 |
| ITF Ukraine F3 | 2018/05/23 09:25 | Dmitry Myagkov v Jonas Merckx | 1-6,3-6 |
| ITF Ukraine F3 | 2018/05/22 15:25 | Volodymyr Malakhov v Jonas Merckx | 1-6,1-6 |
| ITF Ukraine F2 | 2018/05/19 07:00 | Oleg Dolgosheyev v Jonas Merckx | 4-6,2-6 |
| ITF Ukraine F2 | 2018/05/18 09:30 | Jonas Merckx v Olexiy Kolisnyk | 6-3,6-3 |
| ITF Ukraine F2 | 2018/05/17 07:05 | Claudio Fortuna v Jonas Merckx | 3-6,2-6 |
| ITF Ukraine F2 | 2018/05/16 12:00 | Luca Giacomini v Jonas Merckx | 4-6,6-3,5-7 |
| ITF Ukraine F2 | 2018/05/15 10:05 | Jordan Correia v Jonas Merckx | 6-7,4-6 |