Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Marburg | 2019/07/10 11:45 | Tim Heger v Yannik Steinegger | 1-6,6-4,4-6 |
| ITF M15 Marburg | 2019/07/08 09:00 | Wilfredo Gonzalez v Yannik Steinegger | 1-6,4-6 |
| ITF M15 Marburg | 2019/07/08 07:00 | Jannik Rother v Yannik Steinegger | 4-6,2-6 |
| ITF M15 Saarlouis | 2019/07/03 12:35 | Adrian Obert v Yannik Steinegger | 7-6,6-1 |
| ITF M15 Saarlouis | 2019/07/01 10:00 | Adrian Obert v Yannik Steinegger | 6-3,3-6,10-4 |
| ITF M15 Saarlouis | 2019/07/01 08:00 | Lasse Muscheites v Yannik Steinegger | 4-6,5-7 |
| ITF M15 Kamen | 2019/06/27 09:00 | Yannik Steinegger v Daniel Dutra Da Silva | 2-6,1-6 |
| ITF M15 Kamen | 2019/06/26 09:00 | Yannik Steinegger v Raphael Baltensperger | 6-2,1-6,7-5 |
| ITF M15 Marburg | 2019/07/10 11:00 | Joao Lucas Reis da Silva v Ryan Nijboer | 2-6,7-5,3-6 |
| ITF M15 Den Haag | 2019/07/07 10:00 | Matias Zukas v Ryan Nijboer | 6-4,6-2 |
| ITF M15 Den Haag | 2019/07/05 10:55 | Yanais Laurent v Ryan Nijboer | 2-6,2-6 |
| ITF M15 Den Haag | 2019/07/04 11:25 | Daniel De Jonge v Ryan Nijboer | 3-6,0-6 |
| ITF M15 Den Haag | 2019/07/03 11:15 | Marc Dijkhuizen v Ryan Nijboer | 3-6,6-3,2-6 |
| ITF M15 Alkmaar | 2019/06/26 13:25 | Andrea Bolla v Ryan Nijboer | 6-7,7-5,6-3 |
| ITF M15 Balatonalmadi | 2019/06/20 08:00 | Ryan Nijboer v Georgii Kravchenko | 7-5,4-6,3-6 |
| ITF M15 Balatonalmadi | 2019/06/19 09:50 | Ryan Nijboer v Naoki Tajima | 6-3,6-2 |