Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Rovinj | 2021/03/16 09:00 | Milan Welte v Federico Arnaboldi | 2-6,2-6 |
| ITF M15 Rovinj | 2021/03/15 11:30 | Sebastian Prechtel v Milan Welte | 6-1,4-6,1-10 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Milan Welte v Tommaso Compagnucci | 6-3,6-1 |
| German Championship | 2020/12/08 15:00 | Milan Welte v Michael Weindl | 0-0 |
| ITF M15 Sarreguemines | 2020/10/26 11:25 | Leopold Zima v Milan Welte | 7-6,6-4 |
| ITF M15 Sarreguemines | 2020/10/25 10:30 | Patrik Hartmeier v Milan Welte | 6-2,6-7,5-10 |
| Challenger Ismaning | 2020/10/17 09:00 | Tomas Martin Etcheverry v Milan Welte | 5-7,7-6,6-1 |
| ITF M15 Forbach | 2020/09/28 07:00 | Milan Welte v Samuel Brosset | 3-6,2-6 |
| ITF M25 Trimbach | 2021/03/12 08:55 | Jakub Paul v Matteo Martineau | 6-7,7-6,3-6 |
| ITF M25 Trimbach | 2021/03/11 09:00 | Arthur Reymond v Jakub Paul | 6-4,4-6,3-6 |
| ITF M25 Trimbach | 2021/03/10 10:30 | Jakub Paul v Arthur Bouquier | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/05 07:30 | Jakub Paul v Nick Hardt | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/04 07:30 | Shintaro Imai v Jakub Paul | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/03 13:00 | Jakub Paul v Khololwam Montsi | 6-1,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/26 07:30 | Jakub Paul v Rio Noguchi | 7-6,5-7,0-6 |
| ITF M15 Sharm El Sheikh | 2021/02/25 09:00 | Yusuke Takahashi v Jakub Paul | 3-6,2-6 |