Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Shymkent | 2019/05/06 05:30 | Julian Lenz v Jacob Grills | 3-6,4-6 |
| Challenger Bordeaux | 2019/05/02 10:20 | Julian Lenz v Mikael Ymer | 4-6,4-6 |
| Challenger Bordeaux | 2019/04/30 08:00 | Antoine Hoang v Julian Lenz | 6-7,6-3,3-6 |
| Challenger Bordeaux | 2019/04/29 09:40 | Teymuraz Gabashvili v Julian Lenz | 3-6,4-6 |
| ITF M25 Sunderland | 2019/04/11 12:25 | Julian Lenz v George Houghton | 6-3,6-4 |
| ITF M25 Sunderland | 2019/04/10 09:00 | Julian Lenz v Mats Rosenkranz | 7-6,2-6,6-4 |
| ITF M25 Bolton | 2019/04/06 10:00 | Botic Van De Zandschulp v Julian Lenz | 6-3,6-7,7-5 |
| ITF M25 Bolton | 2019/04/05 09:00 | Tim Van Rijthoven v Julian Lenz | 3-6,3-6 |
| ITF M25 Most | 2019/05/27 08:30 | Krystof Zapsky v Daniil Tsebrenko | 6-3,2-6,10-8 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Krystof Zapsky v Roman Boychuk | 1-6,4-6 |