Stadium: Court 4 Round: 1
| ITF - M25 Santa Margherita | 2019/10/08 10:30 | Torebko, Peter v Mannapov, Alexander | 6-0,6-1 |
| ITF - M25 Santa Margherita | 2019/10/07 12:00 | Kossek, Daniel v Mannapov, Alexander | 4-6,1-6 |
| ITF - M25 Santa Margherita | 2019/10/06 09:00 | Wolfschmidt, Alexander v Mannapov, Alexander | 6-2,6-7,2-10 |
| ITF - M25 Santa Margherita | 2019/09/30 12:00 | Coppini, Alessandro v Mannapov, Alexander | 6-1,6-3 |
| ITF M25 Ricany | 2019/09/23 08:00 | Michael Gloeckler v Mannapov, Alexander | 6-4,6-4 |
| ITF M25 Ricany | 2019/09/22 08:00 | Filip Krolo v Mannapov, Alexander | 3-6,4-6 |
| Seville, Singles Qualifying M-ITF-ESP-26A | 2019/09/08 07:30 | Lopez, Luis Humberto v Mannapov, Alexander | 4-6,6-3,10-5 |
| ITF M15 Haren | 2019/08/28 09:00 | Mannapov, Alexander v Ryan Nijboer | 3-6,2-6 |
| German Masters | 2020/07/31 16:00 | Quentin Folliot v Lenz, Julian | 6-2,4-6,2-6 |
| German Masters | 2020/07/30 09:30 | Lenz, Julian v Zverev, Mischa | 3-6,3-6 |
| German Masters | 2020/07/29 15:05 | Kamke, Tobias v Lenz, Julian | 6-3,6-2 |
| German Masters | 2020/07/28 17:55 | Moraing, Mats v Lenz, Julian | 6-4,6-1 |
| German Masters | 2020/07/27 17:05 | Jan-Lennard Struff v Lenz, Julian | 6-4,7-5 |
| DTB German Pro Series | 2020/06/26 12:40 | Torebko, Peter v Lenz, Julian | 2-6,6-3,5-7 |
| DTB German Pro Series | 2020/06/25 12:00 | Lenz, Julian v Torebko, Peter | 3-6,6-1,4-6 |
| DTB German Pro Series | 2020/06/24 14:10 | Maximilian Marterer v Lenz, Julian | 6-4,6-4 |