Stadium: Centre Court Round: 44 Ground: Clay
| ITF Belgium F2 Qual | 2018/06/23 13:20 | Oscar Matias Leiva Biason v Yannis Zekri | 6-1,6-0 |
| ITF Egypt F13 | 2018/04/08 08:00 | Issam Haitham Taweel v Oscar Matias Leiva Biason | 6-2,6-0 |
| ITF Egypt F12 | 2018/03/31 08:00 | Joao Giannella v Oscar Matias Leiva Biason | 6-2,6-1 |
| ITF Greece F5 | 2018/03/24 07:30 | Calin Manda v Oscar Matias Leiva Biason | 6-2,6-1 |
| ITF Greece F3 | 2018/03/10 07:30 | Herman Meeuwes Mattheo Knoop v Oscar Matias Leiva Biason | 6-2,7-6 |
| 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 Belgium F1 Qual | 2018/06/18 08:00 | Jack Molloy v Paul Valsecchi | 6-4,7-6 |
| ITF Belgium F1 Qual | 2018/06/17 08:00 | Javier Araya v Paul Valsecchi | 0-6,3-6 |
| ITF Spain F12 | 2018/05/20 07:00 | Aitor S Llopis v Paul Valsecchi | 6-4,6-7,6-4 |
| ITF Spain F12 | 2018/05/19 07:00 | Paul Valsecchi v Alex Martinez | 6-2,6-3 |
| ITF France F9 | 2018/05/01 12:30 | Paul Valsecchi v Arthur Reymond | 1-6,4-6 |
| ITF France F9 Qual | 2018/04/29 10:00 | Maxence Beauge v Paul Valsecchi | 5-7,6-4,3-6 |
| ITF France F8 | 2018/04/24 12:20 | Francois-Arthur Vibert v Paul Valsecchi | 0-6,6-4,6-1 |
| ITF France F8 Qual | 2018/04/23 09:00 | Paul Gueye v Paul Valsecchi | 6-1,2-6,3-6 |