Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Portugal F1 | 2018/02/19 17:00 | Simon A Ivanov v Luis G Monio | 2-6,6-1,3-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Simon A Ivanov v Yanik Kaelin | 6-3,6-3 |
| ITF Portugal F1 | 2018/02/18 13:00 | Bart Van Den Berg v Simon A Ivanov | 6-4,1-6,1-6 |
| ITF Vietnam F4 | 2018/10/26 02:30 | Nam Hoang Ly v Paul Oosterbaan | 6-1,6-4 |
| ITF Vietnam F4 | 2018/10/25 04:25 | Paul Oosterbaan v Jayesh Pungliya | 6-4,6-0 |
| ITF USA F26 | 2018/09/28 18:50 | Paul Oosterbaan v Strong Kirchheimer | 2-6,3-6 |
| ITF USA F26 | 2018/09/27 18:45 | Paul Oosterbaan v Trent Bryde | 6-3,6-2 |
| ITF USA F26 | 2018/09/25 19:40 | Paul Oosterbaan v Aleksandre Bakshi | 7-5,6-1 |
| ITF USA F25 | 2018/09/20 17:00 | Alan Kohen v Paul Oosterbaan | 2-6,6-1,6-2 |
| ITF USA F25 | 2018/09/19 19:15 | Isaiah Strode v Paul Oosterbaan | 6-7,6-7 |
| ITF USA F24 | 2018/09/13 16:30 | Paul Oosterbaan v Daniel Cukierman | 3-6,0-6 |