| Open di Polonia | 2024/03/23 09:00 | Kalle Koljonen v Kai Schaefer | W | 0-2 |
| Open di Polonia | 2024/03/22 14:40 | Kai Schaefer v Markus Barth | W | 2-0 |
| Masters d'Orleans - Qual. | 2024/03/12 13:40 | Daniil Dubovenko v Kai Schaefer | L | 2-1 |
| Masters d'Orleans - Qual. | 2024/03/12 11:55 | Kai Schaefer v Danylo Bosniuk | W | 2-0 |
| Internazionali di Portogallo | 2024/03/09 17:20 | Matthias Kicklitz v Kai Schaefer | L | 2-0 |
| Internazionali di Portogallo | 2024/03/09 10:40 | Kai Schaefer v Rafael Gavois | W | 2-0 |
| Internazionali di Portogallo | 2024/03/08 10:40 | Kai Schaefer v Aria Dinata | W | 2-1 |
| Open di Germania - Qual. | 2024/02/27 08:00 | S. Sankar Muthusamy Subramanian v Kai Schaefer | L | 2-0 |
| Open di Polonia | 2024/03/22 15:20 | Luis Ramon Garrido v Viktor Ording Kauffman | W | 1-2 |
| Internazionali d'Olanda | 2024/03/16 09:00 | Mads Juel Moller v Viktor Ording Kauffman | L | 2-0 |
| Internazionali d'Olanda | 2024/03/15 20:21 | Mads Juel Moller v Viktor Ording Kauffman | L | 2-0 |
| Internazionali d'Olanda | 2024/03/15 15:40 | Viktor Ording Kauffman v Joran Kweekel | W | 2-0 |
| Internazionali d'Olanda | 2024/03/15 08:40 | Viktor Ording Kauffman v Rohan Midha | W | 2-0 |
| Open di Svezia | 2024/01/19 09:00 | Viktor Ording Kauffman v Samuel Hsiao | L | 0-2 |
| Internazionali del Galles | 2023/12/01 17:00 | Joakim Oldorff v Viktor Ording Kauffman | L | 2-0 |
| Internazionali del Galles | 2023/12/01 10:00 | Joran Kweekel v Viktor Ording Kauffman | W | 1-2 |