Round: 62 Ground: Hardcourt outdoor
| ITF Netherlands F5 | 2017/08/12 10:30 | Herman Meeuwes Mattheo Knoop v Mats Hermans | 6-7,3-6 |
| ITF Chile F3 | 2017/12/03 17:00 | Martin Facundo Carrizo v Oscar Matias Leiva Biason | 6-7,6-1,6-3 |
| ITF Chile F2 | 2017/11/25 13:00 | Juan Bautista Otegui v Oscar Matias Leiva Biason | 6-1,6-2 |
| ITF Bolivia F3 Qual | 2017/09/30 16:00 | Oscar Matias Leiva Biason v Felipe Derdoy | 1-6,3-6 |
| ITF Bolivia F2 Qual | 2017/09/23 16:00 | Oscar Matias Leiva Biason v Ignacio Carou | 1-6,1-6 |
| ITF Austria F6 | 2017/08/05 07:00 | Oscar Matias Leiva Biason v Yanik Kaelin | 1-6,1-6 |
| ITF Austria F4 Qual | 2017/07/22 10:00 | Edward Hubner v Oscar Matias Leiva Biason | 6-3,6-4 |
| ITF Germany F8 Qual | 2017/07/16 08:30 | Yohei Otsuka v Oscar Matias Leiva Biason | 6-2,6-2 |
| ITF Tunisia F16 | 2017/04/23 09:00 | Maxime Pauwels v Oscar Matias Leiva Biason | 6-0,6-3 |