Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Bourg-en-Bresse | 2021/06/27 12:50 | Damien Wenger v Lennart Melzer | 6-1,6-0 |
| ITF M25 La Nucia | 2021/03/14 08:00 | Jorge Martinez Martinez v Lennart Melzer | 6-0,6-1 |
| ITF M15 La Nucia | 2021/03/08 11:00 | Lennart Melzer v Francisco Andreu Garcia | 2-6,1-6 |
| ITF M15 Antalya | 2021/02/28 11:00 | Lennart Melzer v Vito Dell'Elba | 3-6,2-6 |
| ITF M15 Monastir | 2020/12/06 08:00 | Omni Kumar v Lennart Melzer | 6-0,6-0 |
| ITF M25 Nussloch | 2020/01/19 09:00 | Noah Thurner v Lennart Melzer | 6-2,6-4 |
| ITF Germany F11 | 2018/08/05 08:00 | Robi Tholl v Lennart Melzer | 6-0,6-0 |
| ITF Germany F6 | 2018/07/01 08:00 | Mario Stino v Lennart Melzer | 6-1,6-0 |
| ITF M15 Doboj | 2021/07/11 08:15 | Sabit Suntic v Andreja Petrovic | 5-7,6-2,10-7 |
| ITF M25 Belgrade | 2021/06/27 13:00 | Rrezart Cungu v Andreja Petrovic | 6-4,6-3 |
| ITF M15 Monastir | 2020/10/25 08:00 | Giorgio Tabacco v Andreja Petrovic | 7-6,6-2 |
| ITF M15 Monastir | 2020/10/22 10:30 | Andreja Petrovic v Oscar Weightman | 2-6,6-7 |
| ITF M15 Monastir | 2020/10/20 09:45 | Fermin Tenti v Andreja Petrovic | 3-6,3-6 |
| ITF M15 Monastir | 2020/09/27 08:00 | Imran Sibille v Andreja Petrovic | 7-6,6-7,10-8 |
| ITF M15 Monastir | 2020/09/20 10:00 | Tom Schonenberg v Andreja Petrovic | 6-1,2-6,10-4 |
| ITF M15 Monastir | 2020/09/15 09:30 | Yann Marti v Andreja Petrovic | 6-3,6-2 |