Ground: Hardcourt outdoor
| ITF M25 Harlingen | 2019/09/24 14:00 | Ignat, Dragos Constantin v Khan, Zane | 4-6,5-7 |
| Challenger - Sarasota | 2019/04/16 17:55 | Daniel Elahi Galan v Khan, Zane | 7-5,6-2 |
| Challenger - Sarasota | 2019/04/15 14:00 | Benjamin Hassan v Khan, Zane | 3-6,2-6 |
| ATP - Miami | 2019/03/18 14:00 | Khan, Zane v Granollers, Marcel | 2-6,3-6 |
| Challenger - Indian Wells | 2019/02/25 18:00 | Khan, Zane v Yosuke Watanuki | 6-3,2-6,2-6 |
| ITF USA F21 Qual | 2018/07/31 17:50 | Khan, Zane v Hamilton, Grey | 2-6,5-7 |
| ITF USA F21 Qual | 2018/07/30 15:00 | Perez, Alfredo v Khan, Zane | 6-7,6-2,1-6 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/20 00:00 | Ignat, Dragos Constantin v Watson, Andrew | 6-2,4-6,6-1 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/18 19:00 | Gray, Jonathan v Watson, Andrew | 2-6,3-6 |
| ITF M15 Champaign | 2019/09/12 19:30 | Liam Draxl v Watson, Andrew | 6-2,7-5 |
| ITF M15 Champaign | 2019/09/10 18:00 | Hamilton, Grey v Watson, Andrew | 1-6,1-6 |
| Chiswick, Singles W-ITF-GBR-09A | 2019/08/06 12:55 | Watson, Andrew v Anton Matusevich | 4-6,6-2,4-6 |
| Dublin, Singles Qualifying M-ITF-IRL-01A | 2019/08/03 11:55 | Watson, Andrew v Ryan Peniston | 4-6,6-2,4-6 |
| Dublin, Singles Qualifying M-ITF-IRL-01A | 2019/08/02 11:30 | Watson, Andrew v Findel-Hawkins, Jack | 4-6,6-4,6-4 |
| Dublin, Singles Qualifying M-ITF-IRL-01A | 2019/08/01 15:00 | Watson, Andrew v Joe Tyler | 6-4,6-2 |