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