Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| Kazan, Simples M-ITF-RUS-02A | 2019/03/12 09:35 | Daniil Glinka v Muzaev, Richard | 4-6,4-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/01/25 09:40 | Kravchuk, Konstantin v Muzaev, Richard | 6-2,6-2 |
| Kazan, Simples M-ITF-RUS-02A | 2019/01/24 10:25 | Borisiouk, Martin v Muzaev, Richard | 6-7,2-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/01/23 07:00 | Muzaev, Richard v Ivan Gakhov | 6-3,3-6,6-2 |
| ITF Qatar F6 | 2018/12/19 13:00 | Muzaev, Richard v Aslan Karatsev | 6-7,4-6 |
| ITF Qatar F6 | 2018/12/17 11:55 | Muzaev, Richard v Lozan, Kristian | 6-4,6-0 |
| Qatar F5, Simples | 2018/12/12 13:40 | Muzaev, Richard v Antoine Bellier | 3-6,6-4,6-7 |
| Qatar F5, Simples | 2018/12/11 17:05 | Lucas Gerch v Muzaev, Richard | 2-6,4-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/13 10:45 | Lazarov, Alexandar v Lenz, Julian | 1-6,1-6 |
| ITF - M25 Trente | 2019/03/02 13:00 | Lenz, Julian v Jahn, Jeremy | 6-7,3-6 |
| ITF - M25 Trente | 2019/03/01 12:30 | Jelle Sels v Lenz, Julian | 6-7,1-6 |
| ITF - M25 Trente | 2019/02/28 10:00 | Mertens, Yannick v Lenz, Julian | 3-6,4-6 |
| ITF - M25 Trente | 2019/02/26 11:40 | Lorenzo Musetti v Lenz, Julian | 3-6,7-6,3-6 |
| ITF M25 Glasgow | 2019/02/19 10:00 | Lenz, Julian v Gijs Brouwer | 2-6,2-6 |
| ITF M25 Oberentfelden | 2019/02/09 12:30 | Evan Furness v Lenz, Julian | 6-2,6-3 |
| ITF M25 Oberentfelden | 2019/02/08 13:00 | Jerome Kym v Lenz, Julian | 0-6,6-3,2-6 |