Stadium: Court 4 Round: 54 Ground: Hardcourt indoor
| ITF M15 New Delhi | 2021/03/30 09:20 | Sunish, Dhruv v Lorenzo Bocchi | 6-7,0-6 |
| ITF M15 Pune | 2021/03/24 10:00 | Sunish, Dhruv v Carr, Simon | 2-6,6-3,4-6 |
| ITF M15 Indore | 2021/03/10 04:50 | Sunish, Dhruv v Dahiya, Paras | 3-6,5-7 |
| ITF M15 Lucknow | 2021/03/03 06:15 | Sunish, Dhruv v Bergevi, Filip | 3-6,4-6 |
| ITF M15 Cairo | 2021/01/26 08:00 | Alejo Lorenzo Lingua Lavallen v Sunish, Dhruv | 6-0,6-0 |
| ITF M15 Cairo | 2021/01/25 08:00 | Stone, Zakai v Sunish, Dhruv | 0-6,3-6 |
| ITF M15 Cairo | 2021/01/24 08:00 | Babji Siva Atturu v Sunish, Dhruv | 3-6,1-6 |
| ITF M15 Cairo | 2021/01/17 07:00 | Sunish, Dhruv v Krainer, L. | 3-6,3-6 |
| Vero Beach, Fl, Singles Qualifying M-ITF-USA-17A | 2021/10/19 16:00 | Reece Falck v Lakoseljac, Christian | 6-4,6-4 |
| Vero Beach, Fl, Singles Qualifying M-ITF-USA-17A | 2021/10/18 16:00 | Foster-Estwick, Matthew v Lakoseljac, Christian | 4-6,6-7 |
| ITF M15 Naples | 2021/10/13 18:30 | Lakoseljac, Christian v Baker, Blu | 4-6,3-6 |
| ITF M15 Naples | 2021/10/12 13:30 | Rubin Statham v Lakoseljac, Christian | 6-3,6-0 |
| ITF M15 Naples | 2021/10/11 14:30 | Kyle Overmyer v Lakoseljac, Christian | 4-6,0-6 |
| ITF M25 Champaign | 2021/07/26 15:00 | Lakoseljac, Christian v Cannon Kingsley | 2-6,2-6 |
| ITF M15 Champaign | 2021/06/21 15:00 | Ortlip, Joshua v Lakoseljac, Christian | 6-3,6-4 |
| ITF M25 Wichita | 2021/06/07 15:00 | Lakoseljac, Christian v Bybel, Nicholas | 5-7,5-7 |