Stadium: V3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Waco | 2019/10/16 14:50 | Tadeas Paroulek v Ryan Nijboer | 4-6,7-6,6-1 |
| ITF M25 Falun | 2019/10/01 12:35 | Filip Bergevi v Ryan Nijboer | 6-7,7-6,6-2 |
| ITF M15 Pajulahti | 2019/09/17 14:25 | Stefan Seifert v Ryan Nijboer | 6-3,6-4 |
| ITF M15 Haren | 2019/08/30 18:10 | Juan Ignacio Galarza v Ryan Nijboer | 7-5,6-7,7-6 |
| ITF M15 Haren | 2019/08/29 13:10 | Guy Den Heijer v Ryan Nijboer | 3-6,3-6 |
| ITF M15 Haren | 2019/08/28 09:00 | Alexander Mannapov v Ryan Nijboer | 3-6,2-6 |
| ITF M15 Oldenzaal | 2019/08/17 14:35 | Jesper De Jong v Ryan Nijboer | 6-4,1-6,6-4 |
| ITF M15 Oldenzaal | 2019/08/16 09:55 | Colin Van Beem v Ryan Nijboer | 6-7,2-6 |
| ITF M25 Waco | 2019/10/16 15:00 | Evan Zhu v Hady Habib | 3-6,6-2,4-6 |
| Challenger Fairfield | 2019/10/07 21:05 | Michael Mmoh v Evan Zhu | 6-4,6-3 |
| ITF M25 Norman | 2019/10/04 15:00 | Evan Zhu v Kevin King | 3-6,2-6 |
| ITF M25 Norman | 2019/10/03 15:00 | Lucas Gerch v Evan Zhu | 5-7,6-4,3-6 |
| ITF M25 Norman | 2019/10/02 15:00 | Evan Zhu v Mate Zsiga | 6-3,6-2 |
| Challenger Tiburon | 2019/09/24 17:00 | Evan Zhu v Marcelo Arevalo | 3-6,4-6 |
| Challenger Tiburon | 2019/09/23 17:00 | Ben Patael v Evan Zhu | 4-6,6-3,1-6 |
| Challenger Columbus 3 | 2019/09/16 15:00 | Evan Zhu v Martin Redlicki | 4-6,7-5,6-7 |