Stadium: M (CC) Round: 25 Ground: Clay
| ITF M15 Oldenzaal | 2019/08/13 07:30 | Dax Donders v Rother, Jannik | 5-7,0-6 |
| ITF M15 Oldenzaal | 2019/08/12 07:30 | Bijsterbosch, Lars v Rother, Jannik | 0-6,2-6 |
| ITF M25 Kassel | 2019/07/15 11:00 | Rother, Jannik v Timo Stodder | 4-6,5-7 |
| ITF M15 Marburg | 2019/07/08 07:00 | Rother, Jannik v Yannik Steinegger | 4-6,2-6 |
| ITF Netherlands F6 | 2018/08/29 15:40 | Rother, Jannik v Sidane Pontjodikromo | 1-6,4-6 |
| ITF Netherlands F6 | 2018/08/27 10:00 | Escandell Juan, Gerard v Rother, Jannik | 2-6,4-6 |
| ITF Netherlands F6 | 2018/08/26 08:00 | van Baal, Aloys Johannes Willem v Rother, Jannik | 4-6,1-6 |
| ITF Germany F6 | 2018/07/02 13:00 | Rother, Jannik v Nickels, Christophe | 7-6,2-6,2-6 |
| ITF M15 Eupen | 2019/08/07 08:00 | Guy Den Heijer v Daniel De Jonge | 2-6,3-6 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/04 12:00 | Heyman, Christopher v Guy Den Heijer | 2-6,6-0,6-4 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/03 11:00 | Guy Den Heijer v Jesper De Jong | 6-4,4-6,6-0 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/02 13:45 | Michael Geerts v Guy Den Heijer | 3-6,7-5,4-6 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/01 08:00 | Guy Den Heijer v Hamou, Maxime | 3-6,6-4,6-2 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/31 12:00 | Guy Den Heijer v Dermiens, Guillaume | 6-3,6-3 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/29 10:00 | Guy Den Heijer v Kenzlers, Julian | 6-1,6-1 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/05 14:05 | Guy Den Heijer v Geoffrey Blancaneaux | 6-4,1-6,4-6 |