Stadium: ACTIVE+Logistics-C6 Round: 25 Ground: Clay
| ITF M25 - Trier | 2021/08/24 09:55 | Manish Sureshkumar v Marlon Vankan | 6-7,1-6 |
| ITF M15 - New Delhi | 2021/04/01 06:10 | Manish Sureshkumar v Zsombor Velcz | 3-6,2-6 |
| ITF M15 - New Delhi | 2021/03/31 07:50 | Manish Sureshkumar v Preston Brown | 6-3,6-3 |
| ITF M15 - Pune | 2021/03/27 07:00 | Manish Sureshkumar v Oliver Crawford | 4-6,2-6 |
| ITF M15 - Pune | 2021/03/26 07:30 | Henry Patten v Manish Sureshkumar | 6-3,6-7,4-6 |
| ITF M15 - Pune | 2021/03/25 08:05 | Zsombor Velcz v Manish Sureshkumar | 6-3,6-7,4-6 |
| ITF M15 - Pune | 2021/03/24 04:00 | Lorenzo Bocchi v Manish Sureshkumar | 1-6,4-6 |
| ITF M15 - Indore | 2021/03/12 06:40 | Manish Sureshkumar v Zane Khan | 4-6,1-6 |
| ITF M25 - Poznan | 2021/08/26 09:00 | Shintaro Mochizuki v Adrian Oetzbach | 6-4,7-6 |
| ITF M25 - Poznan | 2021/08/25 08:00 | Filip Bergevi v Adrian Oetzbach | 4-6,2-6 |
| ITF M25 - Poznan | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF M15 - Oldenzaal | 2021/08/16 10:00 | Adrian Oetzbach v Karlo Cubelic | 5-7,7-5,3-10 |
| ITF M15 - Oldenzaal | 2021/08/15 10:15 | Adrian Oetzbach v Mark Simons | 6-1,6-2 |
| ITF M25 - Frankfurt am Main | 2021/08/11 11:15 | Adrian Oetzbach v Taiyo Yamanaka | 5-7,5-7 |
| ITF M25 - Frankfurt am Main | 2021/08/10 08:25 | Lenny Hampel v Adrian Oetzbach | 2-6,6-0,2-10 |
| ITF M25 - Frankfurt am Main | 2021/08/09 09:00 | Adrian Oetzbach v Oscar Moraing | 6-4,3-6,10-6 |