Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Klosters | 2023/07/02 14:15 | Tymur Bieldiugin v Koch, Niklas | 4-6,6-1,7-10 |
| ITF - M15 Meerbusch | 2023/04/24 10:00 | Leopold Zima v Koch, Niklas | 6-4,7-5 |
| ITF - M15 Héraklion | 2023/03/19 07:00 | Koch, Niklas v Katz, Raz | 2-6,6-7 |
| ITF M25 Heraklion | 2023/03/13 08:00 | Nikolay Nedelchev v Koch, Niklas | 6-1,6-1 |
| ITF - M25 Nussloch | 2023/01/23 09:00 | Koch, Niklas v Jannik Opitz | 3-6,4-6 |
| ITF M15 Trier | 2022/08/22 08:00 | Joshua Schaefer v Koch, Niklas | 5-7,4-6 |
| UTR Pro Tennis Series Blaricum | 2022/04/05 12:30 | Eisinga, Zachary v Koch, Niklas | 5-1 |
| UTR Pro Tennis Series Blaricum | 2022/04/04 13:30 | Twan Van Zijl v Koch, Niklas | 6-1,6-1 |
| ITF M25 Klosters | 2023/07/02 14:30 | Baltensperger, Raphael v Maurus Malgiaritta | 6-3,6-3 |
| ITF M25 Klosters | 2021/06/20 10:30 | Baltensperger, Raphael v Patrick Zahraj | 0-6,4-6 |
| ITF M15 Genova | 2021/06/14 07:00 | Kirill Kivattsev v Baltensperger, Raphael | 7-6,7-6 |
| ITF - M15 Poitiers | 2021/03/15 11:30 | Baltensperger, Raphael v Cyril Vandermeersch | 4-6,7-5,8-10 |
| ITF - M15 Poitiers | 2021/03/14 14:05 | Baltensperger, Raphael v Lukas H Lilleengen | 6-3,6-2 |
| ITF - M25 Trimbach | 2021/03/09 12:05 | Quentin Folliot v Baltensperger, Raphael | 7-6,3-6,6-4 |
| ITF - M15 Grenoble | 2021/02/10 13:10 | Baltensperger, Raphael v Kyrian Jacquet | 4-6,3-6 |
| ITF - M15 Grenoble | 2021/02/08 09:00 | Baltensperger, Raphael v Pontico, Hugo | 7-5,6-2 |