Stadium: Court 2 Round: 26 Ground: Clay
| Austrian Pro Series | 2020/06/18 13:20 | David Pichler v Lenny Hampel | 6-2,2-6,7-6 |
| Austrian Pro Series | 2020/06/02 17:00 | David Pichler v Lenny Hampel | 7-6,6-2 |
| ITF Greece F1 | 2017/03/07 08:00 | Lenny Hampel v David Pichler | 6-4,6-2 |
| ITF M25 Kottingbrunn | 2021/07/21 08:00 | Calin Manda v Lenny Hampel | 4-6,5-7 |
| ITF M25 Telfs | 2021/07/14 07:55 | Filip Misolic v Lenny Hampel | 6-4,6-7,6-4 |
| ITF M25 Velenje | 2021/07/09 10:55 | Cristian Rodriguez v Lenny Hampel | 6-4,4-6,6-4 |
| ITF M25 Velenje | 2021/07/06 09:45 | Lenny Hampel v Aldin Setkic | 3-6,6-3,6-2 |
| ITF M25 Klosters | 2021/06/24 09:50 | Lenny Hampel v Matheus Pucinelli De Almeida | 1-6,2-6 |
| ITF M25 Klosters | 2021/06/22 09:20 | Gian Luca Tanner v Lenny Hampel | 5-7,4-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/19 08:00 | Lenny Hampel v Titouan Droguet | 6-2,5-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 11:00 | Lenny Hampel v Martin Krumich | 6-3,6-4 |
| ITF M25 Kottingbrunn | 2021/07/21 09:25 | Tadeas Paroulek v David Pichler | 6-4,2-6,4-6 |
| ITF M25 Velenje | 2021/07/07 09:05 | Patrik Rikl v David Pichler | 6-3,4-6,6-2 |
| ITF M15 Gaiba | 2021/06/09 10:40 | Kirill Kivattsev v David Pichler | 4-6,6-3,6-3 |
| ITF M25 Kiseljak | 2021/05/27 10:40 | David Pichler v Hernan Casanova | 3-6,3-6 |
| ITF M25 Kiseljak | 2021/05/26 15:30 | Gilbert S K Junior v David Pichler | 4-6,3-6 |
| ITF M15 Sibenik | 2021/05/20 08:00 | Peter Fajta v David Pichler | 7-6,3-6,6-1 |
| ITF M15 Sibenik | 2021/05/19 12:20 | Peter Goldsteiner v David Pichler | 3-6,2-6 |
| ITF M15 Antalya | 2021/05/13 08:45 | David Pichler v Jacopo Berrettini | 6-7,6-3,4-6 |