Stadium: Center Court Round: 25 Ground: Clay
| Challenger Tunis Qual | 2018/04/14 09:30 | Julian Lenz v David Pichler | 2-6,3-6 |
| ITF M25 Biel | 2021/03/30 13:20 | Jelle Sels v Julian Lenz | 7-5,6-4 |
| Challenger Lugano | 2021/03/22 17:50 | Yuichi Sugita v Julian Lenz | 6-2,7-5 |
| Challenger Biella | 2021/03/09 10:20 | Liam Broady v Julian Lenz | 7-6,6-4 |
| Challenger Biella | 2021/03/08 09:30 | Julian Lenz v Jonas Forejtek | 4-6,1-6 |
| Challenger Biella | 2021/03/07 09:30 | Julian Lenz v Flavio Cobolli | 6-1,7-6 |
| Challenger Nur-Sultan | 2021/03/02 04:00 | Julian Lenz v Prajnesh Gunneswaran | 6-3,2-6,3-6 |
| Challenger Nur-Sultan | 2021/03/01 04:00 | Julian Lenz v Vladyslav Manafov | 7-6,5-7,4-6 |
| Challenger Nur-Sultan Qual | 2021/02/28 04:00 | Julian Lenz v Dostanbek Tashbulatov | 6-4,6-3 |
| Challenger Marbella | 2021/03/28 13:40 | Holger Rune v David Pichler | 6-1,6-3 |
| ITF M15 Opatija | 2021/03/24 10:45 | Giacomo Dambrosi v David Pichler | 3-6,6-1,6-2 |
| ITF M15 Rovinj | 2021/03/19 12:05 | David Pichler v Martin Damm | 1-6,2-6 |
| ITF M15 Rovinj | 2021/03/18 10:30 | David Pichler v Pietro Rondoni | 6-4,6-2 |
| ITF M15 Rovinj | 2021/03/17 10:40 | David Pichler v Giacomo Dambrosi | 1-6,6-3,6-1 |
| ITF M15 Antalya | 2021/02/23 09:00 | Hanwen Li v David Pichler | 7-6,6-2 |
| ITF M15 Antalya | 2021/02/19 07:00 | Giovanni Fonio v David Pichler | 3-6,6-2,6-3 |
| ITF M15 Antalya | 2021/02/18 11:00 | David Pichler v Facundo Juarez | 7-5,6-3 |