Stadium: Center Court Round: 25 Ground: Carpet indoor
| Challenger Meerbusch | 2019/08/13 12:55 | Julian Lenz v Henri Squire | 6-1,6-3 |
| Challenger Eckental | 2021/11/01 10:00 | Alexander Erler v Henri Squire | 4-6,2-6 |
| Challenger Eckental | 2021/10/31 09:00 | Henri Squire v Shintaro Mochizuki | 6-4,6-2 |
| Challenger Ismaning | 2021/10/27 12:20 | Henri Squire v Ruben Bemelmans | 3-6,4-6 |
| ITF M25 - Hamburg | 2021/10/24 10:00 | Henri Squire v Jakub Paul | 4-6,2-6 |
| ITF M25 - Hamburg | 2021/10/23 10:00 | Henri Squire v Johannes Haerteis | 6-4,6-4 |
| ITF M25 - Hamburg | 2021/10/22 12:40 | Henri Squire v Lenny Hampel | 6-4,6-4 |
| ITF M25 - Hamburg | 2021/10/21 09:45 | Daniel Masur v Henri Squire | 4-6,4-6 |
| ITF M25 - Hamburg | 2021/10/19 11:25 | Henri Squire v Milan Welte | 6-2,6-2 |
| Challenger Ismaning | 2021/10/28 11:00 | Oscar Otte v Julian Lenz | 6-3,6-4 |
| Challenger Ismaning | 2021/10/26 11:20 | Cem Ilkel v Julian Lenz | 7-6,5-7,1-6 |
| Challenger Ismaning | 2021/10/25 11:25 | Mischa Zverev v Julian Lenz | 5-7,6-7 |
| Challenger Ismaning | 2021/10/24 12:40 | Julian Lenz v Geoffrey Blancaneaux | 6-4,7-5 |
| Challenger Santiago | 2021/10/11 14:00 | Juan Manuel Cerundolo v Julian Lenz | 6-3,6-3 |
| Challenger Santiago | 2021/10/07 14:00 | Julian Lenz v Juan Pablo Varillas | 2-6,4-6 |
| Challenger Santiago | 2021/10/05 16:25 | Victor Nunez v Julian Lenz | 0-6,2-6 |
| Challenger Lima | 2021/09/30 15:00 | Camilo Ugo Carabelli v Julian Lenz | 7-5,6-3 |