Stadium: Stadium Court 1 Round: 54 Ground: Clay
| ITF M15 - Rochester | 2019/06/24 17:00 | Alexander Cozbinov v Mac Kiger | 6-4,7-6 |
| ITF M25 - Tulsa | 2019/06/18 16:55 | Alexander Cozbinov v Kody Pearson | 6-0,2-6,7-10 |
| ITF M25 - Tulsa | 2019/06/17 15:00 | Alexander Cozbinov v Corbin Benson | 4-6,6-1,12-10 |
| ITF M25 - Wichita | 2019/06/13 17:50 | Brandon Holt v Alexander Cozbinov | 6-0,6-2 |
| ITF M25 - Wichita | 2019/06/12 16:40 | Alexander Cozbinov v Simon Freund | 7-5,6-3 |
| ITF M25 - Wichita | 2019/06/11 17:30 | Alexander Cozbinov v Ian Chadwell | 6-2,6-3 |
| ITF M15 - Champaign | 2019/06/05 23:00 | Ezekiel Clark v Alexander Cozbinov | 4-6,6-2,6-4 |
| ITF M15 - Cancun | 2019/05/23 15:50 | Alexander Cozbinov v Arklon H D Pino | 4-6,6-1,2-6 |
| ATP New York | 2019/02/13 00:30 | Brayden Schnur v Jack Mingjie Lin | 6-1,6-3 |
| Challenger Granby Qual | 2018/07/22 21:30 | Jack Mingjie Lin v Takanyi Garanganga | 6-1,3-6,5-7 |
| Challenger Granby | 2018/07/21 18:55 | David Volfson v Jack Mingjie Lin | 4-6,2-6 |
| Challenger Gatineau Qual | 2018/07/14 15:35 | Jack Mingjie Lin v Nicaise Muamba | 5-7,6-2,4-6 |
| Challenger Winnipeg Qual | 2018/07/09 16:40 | Yunseong Chung v Jack Mingjie Lin | 6-2,6-2 |
| Challenger Winnipeg Qual | 2018/07/08 23:15 | Jack Mingjie Lin v Jacob Grills | 6-4,6-0 |
| Challenger Winnipeg Qual | 2018/07/08 19:00 | Jack Mingjie Lin v Kevin Kylar | 6-4,6-2 |
| ITF Canada F5 | 2018/07/05 17:00 | Marc-Andrea Huesler v Jack Mingjie Lin | 4-6,7-5,6-4 |