Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Sharm El Sheikh | 2019/03/18 08:00 | Marco Brugnerotto v Yannik Steinegger | 6-2,7-6 |
| ITF M15 Oslo | 2019/03/07 12:20 | Emil Ruusuvuori v Yannik Steinegger | 7-6,6-4 |
| ITF M15 Oslo | 2019/03/06 12:05 | Yannik Steinegger v Peter Goldsteiner | 6-1,6-2 |
| ITF M15 Oslo | 2019/03/05 10:30 | Yannik Steinegger v Simon Yitbarek | 6-3,6-4 |
| ITF M15 Oslo | 2019/03/04 09:00 | Niklas Johansson v Yannik Steinegger | 2-6,3-6 |
| ITF M25 Oberentfelden | 2019/02/04 08:30 | Igor Smilansky v Yannik Steinegger | 7-6,6-3 |
| ITF M15 Veigy-Foncenex | 2019/01/21 19:15 | Mick Veldheer v Yannik Steinegger | 5-7,6-3,10-3 |
| ITF M15 Veigy-Foncenex | 2019/01/21 16:10 | Lucas Grandouiller v Yannik Steinegger | 1-6,3-6 |
| 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 | Filip Bergevi v Ryan Nijboer | 3-6,6-4,7-6 |
| ITF M15 Sharm El Sheikh | 2019/02/19 08:00 | Ryan Nijboer v Agustin Velotti | 4-6,7-5,6-4 |
| ATP Rotterdam | 2019/02/10 12:10 | Ryan Nijboer v Franko Skugor | 6-4,2-6,4-6 |
| ATP Rotterdam | 2019/02/09 14:25 | Jan-Lennard Struff v Ryan Nijboer | 4-6,4-6 |
| Lotto NK Tennis | 2018/12/15 15:30 | Ryan Nijboer v Jelle Sels | 0-6,1-4 |
| Lotto NK Tennis | 2018/12/14 14:00 | Robin Haase v Ryan Nijboer | 6-7,6-2,4-6 |
| Lotto NK Tennis | 2018/12/12 14:00 | Justin Eleveld v Ryan Nijboer | 4-6,6-6 |