Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF M25 Biel | 2021/03/30 10:00 | Mick Veldheer v Jakub Paul | 6-2,4-6,10-6 |
| ITF M25 Biel | 2021/03/29 13:35 | Milan Welte v Jakub Paul | 4-6,1-6 |
| 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 |
| Challenger St. Petersburg | 2021/03/06 09:00 | Altug Celikbilek v Artem Dubrivnyy | 5-7,6-2,6-3 |
| Challenger St. Petersburg | 2021/03/05 08:00 | Artem Dubrivnyy v Andrey Kuznetsov | 6-3,6-7,6-3 |
| Challenger St. Petersburg | 2021/03/03 12:15 | Viktor Durasovic v Artem Dubrivnyy | 5-7,6-3,3-6 |
| Challenger St. Petersburg | 2021/03/02 09:45 | Igor Sijsling v Artem Dubrivnyy | 6-3,4-6,3-6 |
| Challenger St. Petersburg | 2021/03/01 08:30 | Artem Dubrivnyy v Skander Mansouri | 4-6,7-6,6-0 |
| Challenger St. Petersburg | 2021/02/28 10:45 | Konstantin Kravchuk v Artem Dubrivnyy | 6-7,4-6 |
| ITF M15 St Petersburg | 2021/02/11 08:30 | Artem Dubrivnyy v Martin Krumich | 4-6,6-1,5-7 |
| ITF M15 St Petersburg | 2021/02/10 06:50 | Artem Dubrivnyy v Maxim Ratniuk | 6-2,6-3 |