Stadium: Court 5 Round: 26 Ground: Clay
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/19 09:50 | Ryan Nijboer v Naoki Tajima | 6-3,6-2 |
| ITF - M25 Sunderland | 2019/04/09 10:25 | Zizou Bergs v Ryan Nijboer | 6-2,4-6,6-1 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/04 09:00 | Ryan Nijboer v Lenz, Julian | 3-6,6-7 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/03 09:00 | George Houghton v Ryan Nijboer | 7-6,6-7,0-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/27 12:00 | Pedro Vives Marcos v Ryan Nijboer | 7-6,2-6,7-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/22 08:00 | Bergevi, Filip v Ryan Nijboer | 3-6,6-4,7-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/19 08:00 | Ryan Nijboer v Velotti, Agustin | 4-6,7-5,6-4 |
| ATP - Rotterdam | 2019/02/10 12:10 | Ryan Nijboer v Skugor, Franko | 6-4,2-6,4-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/19 11:10 | Nagy, Peter v Georgii Kravchenko | 2-6,2-6 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/18 08:00 | Marek Gengel v Georgii Kravchenko | 4-6,6-3,9-11 |
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/17 09:00 | Domagoj Biljesko v Georgii Kravchenko | 5-7,7-5,8-10 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/27 10:00 | Georgii Kravchenko v Coelho, Fabio | 6-3,4-6,7-10 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/27 06:30 | Georgii Kravchenko v Beibit Zhukayev | 7-5,7-5 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/20 10:00 | Georgii Kravchenko v Bulitski, Aliaksandr | 7-5,6-7,6-10 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/20 06:30 | Georgii Kravchenko v Tashbulatov, Dostanbek | 6-1,6-1 |
| ITF M15 Valldoreix | 2019/05/15 08:30 | Georgii Kravchenko v Nikolas Sanchez Izquierdo | 2-6,6-7 |