Stadium: Court 08 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/15 09:30 | Babji Siva Atturu v Luis Diego Chavez Villalpando | 0-6,1-6 |
| ITF M15 Monastir | 2021/08/09 07:30 | Babji Siva Atturu v Keisuke Saitoh | 1-6,0-6 |
| ITF M15 Monastir | 2021/08/08 07:30 | Babji Siva Atturu v Preston Connor | 7-6,1-6,10-3 |
| ITF M15 Monastir | 2021/08/01 09:00 | Seita Watanabe v Babji Siva Atturu | 6-1,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/24 07:30 | Marat Deviatiarov v Babji Siva Atturu | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/14 14:30 | Niklas Guttau v Babji Siva Atturu | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/07 07:00 | Noel Larwig v Babji Siva Atturu | 6-1,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/01 11:30 | Roman Andres Burruchaga v Babji Siva Atturu | 6-2,6-2 |
| ITF M15 Cancun | 2021/09/25 18:05 | Osgar O'Hoisin v Gerardo L Villasenor | 4-6,2-6 |
| ITF M15 Cancun | 2021/09/24 19:30 | Osgar O'Hoisin v Leonardo Civita-Telles | 7-5,2-6,7-5 |
| ITF M15 Cancun | 2021/09/23 19:15 | Jonas Maier v Osgar O'Hoisin | 6-3,4-6,4-6 |
| ITF M15 Cancun | 2021/09/22 20:25 | Luciano Doria v Osgar O'Hoisin | 4-6,2-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Emil Reinberg v Osgar O'Hoisin | 6-3,6-3 |
| ITF M25 Champaign | 2021/09/14 17:00 | Perry Gregg v Osgar O'Hoisin | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/08 08:30 | Olexiy Kolisnyk v Osgar O'Hoisin | 7-6,3-6,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/07 11:00 | Osgar O'Hoisin v Francois Musitelli | 2-0 |