Stadium: Cancha Siete Leguas Round: 45 Ground: Hardcourt outdoor
| Challenger Monterrey Qual | 2017/10/01 19:00 | Luis David Martinez v Benjamin Lock | 6-3,6-7,6-3 |
| ITF Turkey F3 | 2018/01/24 13:00 | Benjamin Lock v Tak Khunn Wang | 6-3,4-6,3-6 |
| ITF Turkey F2 | 2018/01/17 08:55 | Benjamin Lock v Gianluigi Quinzi | 0-6,1-6 |
| Challenger Bangkok Qual | 2018/01/09 05:55 | Benjamin Lock v Flavio Cipolla | 4-6,2-6 |
| ITF South Africa F3 | 2017/12/09 07:30 | Nicolaas Scholtz v Benjamin Lock | 7-6,4-6,6-3 |
| ITF South Africa F3 | 2017/12/08 08:50 | Benjamin Lock v George Von Massow | 7-5,7-6 |
| ITF South Africa F3 | 2017/12/07 07:30 | Benjamin Lock v Mats Rosenkranz | 6-4,6-2 |
| ITF South Africa F3 | 2017/12/06 07:30 | Benjamin Lock v Gary Kushnirovich | 4-6,7-6,6-1 |
| ITF South Africa F2 | 2017/12/02 09:20 | Benjamin Lock v Takanyi Garanganga | 6-7,1-6 |
| ITF USA F3 | 2018/01/10 18:10 | Luis David Martinez v Strong Kirchheimer | 2-6,2-6 |
| Challenger Champaign Qual | 2017/11/13 16:00 | Luis David Martinez v Samuel Monette | 1-6,1-6 |
| Challenger Champaign Qual | 2017/11/11 16:00 | Henry Craig v Luis David Martinez | 4-6,6-7 |
| Challenger Charlottesville Qual | 2017/10/28 17:20 | Luis David Martinez v Mikael Ymer | 1-6,2-6 |
| Challenger Las Vegas Qual | 2017/10/15 19:30 | Jan Choinski v Luis David Martinez | 7-5,6-1 |
| Challenger Las Vegas Qual | 2017/10/14 17:30 | Courtney John Lock v Luis David Martinez | 2-6,3-6 |
| Challenger Monterrey Qual | 2017/10/02 19:20 | Jared Hiltzik v Luis David Martinez | 7-5,7-6 |
| Challenger Monterrey Qual | 2017/10/01 19:00 | Luis David Martinez v Benjamin Lock | 6-3,6-7,6-3 |