Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF M25 Sierre | 2021/08/29 08:30 | Bastien Rieme v Lennart Melzer | 3-6,6-1,10-4 |
| ITF M25 Trier | 2021/08/23 10:30 | Leopold Zima v Lennart Melzer | 6-1,6-1 |
| ITF M25 Koksijde | 2021/08/15 11:40 | Lennart Melzer v Tom Clavel | 3-6,6-4,8-10 |
| ITF M15 Esch/Alzette | 2021/07/18 09:45 | Lennart Melzer v Andreja Petrovic | 3-6,0-6 |
| 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 | 2021/08/29 10:30 | Rayen Zribi v Arjun Mehrotra | 1-6,2-6 |
| ITF M15 Monastir | 2021/08/22 08:30 | Blake Ellis v Arjun Mehrotra | 6-3,6-1 |
| ITF M15 Monastir | 2021/08/16 07:30 | Arjun Mehrotra v Gabriele Bosio | 3-6,6-4,7-10 |
| ITF M15 Monastir | 2021/08/15 08:30 | Lucas Cotler v Arjun Mehrotra | 1-6,1-6 |
| UTR Pro Tennis Series Adelaide | 2021/06/06 03:00 | Ken Cavrak v Arjun Mehrotra | 3-6,3-5 |
| UTR Pro Tennis Series Adelaide | 2021/06/05 02:30 | Tai Leonard Sach v Arjun Mehrotra | 3-6,1-3 |
| UTR Pro Tennis Series Adelaide | 2021/06/03 02:30 | Arjun Mehrotra v Sean Van Rensburg | 5-7,6-2,2-6 |
| UTR Pro Tennis Series Adelaide | 2021/06/02 05:00 | Arjun Mehrotra v Tomislav E Papac | 6-4,6-0 |