Stadium: Court 9 Round: 44 Ground: Clay
| ITF M15 Piestany | 2019/07/16 07:00 | Zdenek Derkas v Jim Walder | 7-5,6-1 |
| ITF M15 Piestany | 2019/07/15 07:00 | Janis Podzus v Jim Walder | 2-6,4-6 |
| ITF M15 Marburg | 2019/07/08 07:00 | Buvaysar Gadamauri v Jim Walder | 7-6,6-4 |
| ITF M15 - Kamen | 2019/06/24 12:00 | Alexis Gautier v Jim Walder | 6-1,5-7,10-4 |
| ITF M15 - Kamen | 2019/06/24 08:00 | Jim Walder v Flemming Peters | 6-4,5-7,10-6 |
| ITF M15 Kaltenkirchen | 2019/06/10 08:00 | Jim Walder v Tomas Jirousek | 2-6,2-6 |
| ITF M15 - Troisdorf | 2019/05/07 11:00 | Bart Van Den Berg v Jim Walder | 3-6,6-4,7-5 |
| ITF M15 - Troisdorf | 2019/05/06 13:30 | Simon Beaupain v Jim Walder | 5-7,1-6 |
| ITF M15 - Haren | 2019/08/25 09:00 | Lynn Max Kempen v Herman Meeuwes Mattheo Knoop | 3-6,1-6 |
| ITF M15 - Oldenzaal | 2019/08/15 13:50 | Herman Meeuwes Mattheo Knoop v Ryan Nijboer | 3-6,4-6 |
| ITF M15 - Oldenzaal | 2019/08/14 15:15 | Herman Meeuwes Mattheo Knoop v Niels Visker | 6-3,6-4 |
| ITF M15 - Oldenzaal | 2019/08/13 07:30 | Mats Hermans v Herman Meeuwes Mattheo Knoop | 6-7,3-6 |
| ITF M15 - Oldenzaal | 2019/08/12 07:30 | Alexander Mannapov v Herman Meeuwes Mattheo Knoop | 1-6,4-6 |
| ITF M15 - Alkmaar | 2019/06/24 09:30 | Julius Tverijonas v Herman Meeuwes Mattheo Knoop | 6-2,6-2 |
| ITF South Africa F3 | 2018/12/03 12:00 | Herman Meeuwes Mattheo Knoop v Jean Thirouin | 0-6,3-6 |
| ITF South Africa F3 Qual | 2018/12/02 07:00 | Nicholas Shamma v Herman Meeuwes Mattheo Knoop | 4-6,0-6 |