Stadium: COURT 7 Round: 25 Ground: Hardcourt indoor
| ITF Czech Republic F1 | 2017/05/18 08:30 | Alexandar Lazarov v Julian Lenz | 7-6,6-7,3-6 |
| ATP Sofia | 2019/02/06 11:40 | Alexandar Lazarov v Fernando Verdasco | 2-6,1-6 |
| ATP Sofia | 2019/02/04 12:50 | Alexandar Lazarov v Luca Vanni | 7-6,3-6,7-5 |
| ATP Sofia | 2019/02/03 15:15 | Lukas Lacko v Alexandar Lazarov | 6-7,2-6 |
| ITF Qatar F6 | 2018/12/20 13:35 | Alexandar Lazarov v Aslan Karatsev | 3-6,6-7 |
| ITF Qatar F6 | 2018/12/19 14:40 | Mick Lescure v Alexandar Lazarov | 2-6,6-7 |
| ITF Qatar F6 | 2018/12/18 08:20 | Alexandar Lazarov v Guy Den Heijer | 7-6,7-6 |
| ITF Qatar F5 | 2018/12/14 12:00 | Alexandar Lazarov v Tak Khunn Wang | 1-6,0-6 |
| ITF Qatar F5 | 2018/12/13 13:50 | Alexandar Lazarov v Aslan Karatsev | 7-5,5-7,6-3 |
| ITF M25 Trento | 2019/03/02 13:00 | Julian Lenz v Jeremy Jahn | 6-7,3-6 |
| ITF M25 Trento | 2019/03/01 12:30 | Jelle Sels v Julian Lenz | 6-7,1-6 |
| ITF M25 Trento | 2019/02/28 10:00 | Yannick Mertens v Julian Lenz | 3-6,4-6 |
| ITF M25 Trento | 2019/02/26 11:40 | Lorenzo Musetti v Julian Lenz | 3-6,7-6,3-6 |
| ITF M25 Glasgow | 2019/02/19 10:00 | Julian Lenz v Gijs Brouwer | 2-6,2-6 |
| ITF M25 Oberentfelden | 2019/02/09 12:30 | Evan Furness v Julian Lenz | 6-2,6-3 |
| ITF M25 Oberentfelden | 2019/02/08 13:00 | Jerome Kym v Julian Lenz | 0-6,6-3,2-6 |
| ITF M25 Oberentfelden | 2019/02/07 12:00 | Antoine Bellier v Julian Lenz | 4-6,7-6,4-6 |