| UTR Pro Tennis Series California | 2021/07/28 16:30 | 룸스덴, 에벤 v 칼레단, 사힌 | 3-6,6-3,5-3 |
| UTR Pro Tennis Series California | 2021/07/27 19:30 | Kang, Kyle v 칼레단, 사힌 | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/07/26 19:30 | Ben Gollin v 칼레단, 사힌 | 6-1,7-5 |
| UTR Pro Tennis Series California | 2021/07/25 16:30 | Ben Gollin v 칼레단, 사힌 | 7-6,5-7,1-6 |
| UTR Pro Tennis Series California | 2021/05/25 21:30 | Theodore Dean v 칼레단, 사힌 | 6-1,6-0 |
| UTR Pro Tennis Series California | 2021/05/24 20:26 | Rudy Quan v 칼레단, 사힌 | 7-5,5-7,1-6 |
| UTR Pro Tennis Series California | 2021/05/23 16:30 | 칼레단, 사힌 v Daniel Traxler | 6-4,6-1 |
| UTR Pro Tennis Series California | 2021/02/27 19:00 | 칼레단, 사힌 v Alex Michelsen | 6-7,2-5 |
| UTR Pro Tennis Series California | 2021/08/29 15:00 | Arthur Bellegy v Evan Shamlian | 6-3,7-5 |