Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF Portugal F8 | 2018/04/18 12:10 | Igor Sao Thiago v Miliaan Niesten | 1-6,3-6 |
| ITF Portugal F7 | 2018/04/12 12:20 | Miliaan Niesten v Frederico Ferreira Silva | 0-6,5-7 |
| ITF Portugal F7 | 2018/04/11 09:00 | Sebastian Prechtel v Miliaan Niesten | 6-7,2-6 |
| ITF Portugal F7 Qual | 2018/04/09 10:00 | Miliaan Niesten v Daniel Batista | 5-7,6-2,6-2 |
| ITF Portugal F7 Qual | 2018/04/08 16:00 | Miliaan Niesten v Duarte Nuno Teixeira | 6-3,6-3 |
| ITF Portugal F5 | 2018/03/21 14:10 | Pablo Vivero Gonzalez v Miliaan Niesten | 6-2,6-3 |
| ITF Portugal F5 Qual | 2018/03/19 11:00 | Miliaan Niesten v Pedro Gabriel Rodrigues | 6-1,6-4 |
| ITF Portugal F5 Qual | 2018/03/18 12:30 | Miliaan Niesten v Jonathan Binding | 4-6,6-3,6-1 |
| ITF Portugal F8 | 2018/04/19 11:50 | Sam Barry v Sadio Doumbia | 6-3,7-6 |
| ITF Portugal F8 | 2018/04/18 13:50 | Sam Barry v Tristan Lamasine | 3-6,6-3,7-6 |
| Challenger Burnie Qual | 2018/01/27 09:25 | Edward Bourchier v Sam Barry | 1-6,2-6 |
| Challenger Burnie Qual | 2018/01/27 03:55 | James Frawley v Sam Barry | 6-4,3-6,2-6 |
| ATP Auckland Qual | 2018/01/05 23:05 | Sam Barry v Rogerio Dutra Silva | 2-6,6-3,5-7 |
| Challenger Noumea Qual | 2017/12/31 03:00 | Liam Caruana v Sam Barry | 6-4,7-6 |
| Challenger Noumea Qual | 2017/12/30 02:00 | Alex Lawson v Sam Barry | 3-6,2-6 |
| ITF Thailand F8 | 2017/10/13 03:00 | Sam Barry v Max Purcell | 7-6,1-6,1-6 |