Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF USA F33 | 2018/11/20 17:40 | Diego Hidalgo v Paul Oosterbaan | 6-7,7-5,3-6 |
| ITF USA F31 | 2018/11/14 15:00 | Ferran Calvo Eman v Paul Oosterbaan | 6-1,5-7,6-3 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Roman Safiullin v Paul Oosterbaan | 6-3,7-5 |
| 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 |
| Challenger Champaign | 2018/11/10 18:55 | Pavel Krainik v Sem Verbeek | 2-6,6-3,3-6 |
| Challenger Knoxville | 2018/11/05 15:00 | Ryan Shane v Pavel Krainik | 6-1,6-3 |
| Challenger Knoxville | 2018/11/04 15:00 | Pavel Krainik v Luca Wiedenmann | 6-4,7-6 |
| Challenger Las Vegas | 2018/10/21 18:00 | Pavel Krainik v Thai-Son Kwiatkowski | 4-6,2-6 |
| Challenger Las Vegas | 2018/10/20 17:00 | Pavel Krainik v Jordan Sauer | 6-1,6-3 |
| Challenger Calgary | 2018/10/16 00:00 | Pavel Krainik v Filip Peliwo | 4-6,6-3,3-6 |
| Challenger Monterrey | 2018/10/02 18:00 | Pavel Krainik v Santiago Giraldo | 4-6,4-6 |
| Challenger Monterrey | 2018/10/01 18:20 | Emilio Nava v Pavel Krainik | 5-7,6-3,3-6 |