Stadium: Court 1 Round: 62
| Challenger Las Vegas Qual | 2017/10/14 17:30 | Courtney John Lock v Luis David Martinez | 2-6,3-6 |
| ITF Turkey F30 Qual | 2017/08/12 07:00 | Vazha Shubladze v Courtney John Lock | 6-4,6-4 |
| ITF Egypt F23 | 2017/07/31 15:00 | Dane Dunlap v Courtney John Lock | 6-1,2-6,7-6 |
| ITF Egypt F23 | 2017/07/29 08:00 | Alejandro Perez v Courtney John Lock | 2-6,6-3,2-6 |
| ITF USA F2 Qual | 2017/01/07 21:00 | Jenson Brooksby v Courtney John Lock | 6-0,6-2 |
| ITF Puerto Rico F1 | 2016/12/19 14:00 | Courtney John Lock v Roy Smith | 6-7,3-6 |
| ITF El Salvador F2 | 2016/11/22 15:30 | Farzin Danny Amiri v Courtney John Lock | 6-1,6-2 |
| Challenger Las Vegas Qual | 2016/10/15 19:50 | Hendrik Jebens v Courtney John Lock | 7-5,6-2 |
| Challenger Canberra Qual | 2018/01/06 01:35 | Jamieson Nathan v Benard Bruno Nkomba | 2-6,5-7 |
| ITF Australia F3 Qual | 2017/03/18 00:00 | Jamieson Nathan v Jason Taylor | 4-6,2-6 |
| ITF Australia F2 Qual | 2017/03/10 23:00 | Darren Polkinghorne v Jamieson Nathan | 6-1,6-2 |