Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| Hamburg, Germany | 2020/09/20 09:00 | Hampel, Lenny v Jiri Vesely | 4-6,0-6 |
| Hamburg, Germany | 2020/09/19 08:30 | Hampel, Lenny v Marvin Moeller | 6-2,7-6 |
| ITF M15 Anif | 2020/08/27 13:35 | Alexander Shevchenko v Hampel, Lenny | 6-4,6-4 |
| ITF M15 Anif | 2020/08/26 13:30 | Fabian Marozsan v Hampel, Lenny | 0-6,6-4,4-6 |
| ITF M15 Anif | 2020/08/24 08:00 | Spec, Matic v Hampel, Lenny | 3-6,1-6 |
| ITF M15 Anif | 2020/08/23 12:00 | Filip, Vladimir v Hampel, Lenny | 3-6,4-6 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2020/08/18 07:00 | Igor Sijsling v Hampel, Lenny | 6-2,6-1 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2020/08/16 12:00 | Kris Krawcewicz v Hampel, Lenny | 3-6,1-6 |
| ITF M25 Porto | 2020/09/29 10:30 | Naoki Nakagawa v Leopold Zima | 6-2,6-3 |
| ITF M25 Porto | 2020/09/28 10:30 | Leopold Zima v Faria, Luis | 7-5,6-4 |
| ITF M25 Porto | 2020/09/27 10:00 | Leopold Zima v Smilansky, Igor | 2-6,7-6,10-8 |
| ITF M15 Castelo Branco | 2020/09/24 16:50 | Leopold Zima v Strong Kirchheimer | 4-6,4-6 |
| ITF M15 Castelo Branco | 2020/09/24 09:00 | Leopold Zima v Faria, Luis | 3-6,6-4,7-5 |
| ITF M15 Castelo Branco | 2020/09/21 14:00 | Leopold Zima v Maia, Hugo | 6-1,6-2 |
| ITF M15 Castelo Branco | 2020/09/21 09:00 | Ribeiro Marcondes, Igor v Leopold Zima | 1-6,2-6 |
| ITF M15 Castelo Branco | 2020/09/20 11:30 | Leopold Zima v Fernandes, Paulo | 6-3,6-1 |