Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| ITF M15 Tallahassee | 2021/10/26 13:00 | Lakoseljac, Christian v Hernandez, Carles | 7-6,6-3 |
| ITF M15 Tallahassee | 2021/10/25 13:00 | Sunish, Dhruv v Lakoseljac, Christian | 6-7,3-6 |
| Vero Beach, Fl, Singles Qualifying M-ITF-USA-17A | 2021/10/19 16:00 | Falck, Reece 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 Cancun | 2021/10/14 14:00 | Victor Lilov v Boyer, Dusty H | 6-1,6-4 |
| ITF M15 Cancun | 2021/10/06 18:50 | Giles Hussey v Boyer, Dusty H | 6-3,7-5 |
| ITF M15 Cancun | 2021/10/01 18:10 | Juan Sebastian Gomez v Boyer, Dusty H | 6-2,6-1 |
| ITF M15 Cancun | 2021/09/30 19:35 | Michael Zhu v Boyer, Dusty H | 6-1,5-7,4-6 |
| ITF M15 Cancun | 2021/09/28 20:40 | Alejandro H Franco v Boyer, Dusty H | 6-7,1-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Boyer, Dusty H v Luis Britto | 5-7,4-6 |
| ITF M15 Champaign | 2021/09/15 15:00 | Boyer, Dusty H v Baird, Drew | 4-6,1-6 |
| ITF - M15 Monastir | 2021/08/18 09:20 | Boyer, Dusty H v Yuki Mochizuki | 6-4,3-6,2-6 |