Stadion: Court 4 Round: 44 Ground: Clay
| ITF - M15 - Troisdorf | 2021/05/10 08:00 | Flemming Peters v Sidane Pontjodikromo | 4-6,1-6 |
| ITF - M15 - Troisdorf | 2021/05/09 08:00 | Maurus Malgiaritta v Flemming Peters | 6-2,3-6,8-10 |
| ITF - M15 - Antalya | 2021/05/04 07:00 | Flemming Peters v Karl Friberg | 3-6,5-7 |
| ITF - M15 - Antalya | 2021/04/25 07:00 | Flemming Peters v Vojtech Mares | 3-6,3-6 |
| ITF - M25 - Meerbusch | 2021/04/11 13:30 | Alexis Boureau v Flemming Peters | 6-7,6-3,10-8 |
| ITF - M15 - Antalya | 2021/04/04 10:00 | Edouard Villoslada v Flemming Peters | 6-4,6-1 |
| ITF - M15 - Antalya | 2021/03/28 06:30 | Manuel Mazza v Flemming Peters | 6-2,3-6,10-8 |
| German Championship | 2020/12/08 09:30 | Flemming Peters v Thomas Jan Dafcik | 6-3,5-7,3-6 |
| ITF - M15 - Brcko | 2021/05/16 08:15 | Maxim Krapivin v Edris Fetisleam | 1-6,5-7 |
| ITF - M15 - Prijedor | 2021/05/09 07:00 | Stefan Ivic v Maxim Krapivin | 6-1,7-6 |
| ITF - M15 - St. Petersburg - Qualifikation | 2021/04/11 07:00 | Maxim Krapivin v Aliaksandr Liaonenka | 3-6,3-6 |
| ITF - M15 - Kazan | 2021/03/09 07:00 | Mikhail Fufygin v Maxim Krapivin | 6-3,6-1 |
| ITF - M15 - Kazan | 2021/03/08 06:50 | Klim Kozyrev v Maxim Krapivin | 3-6,7-5,4-10 |
| ITF - M15 - St. Petersburg - Qualifikation | 2021/02/07 07:00 | Maxim Krapivin v Alexandr Binda | 3-6,2-6 |
| ITF - M15 - St. Petersburg | 2021/02/01 07:00 | Andrew Paulson v Maxim Krapivin | 6-1,6-0 |
| ITF - M15 - St. Petersburg | 2021/01/31 08:00 | Maxim Krapivin v Bekkhan Atlangeriev | 7-6,3-6,10-6 |