Stadium: Court 7 Round: 24 Ground: Hardcourt outdoor
| Challenger Chengdu | 2019/07/30 02:00 | Harri Heliovaara v Courtney John Lock | 6-3,6-2 |
| ITF M15 Harare | 2019/06/26 08:15 | Anurag Nenwani v Courtney John Lock | 6-4,7-6 |
| ITF M15 Harare | 2019/06/20 08:25 | Lucas Catarina v Courtney John Lock | 6-2,6-3 |
| ITF M15 Harare | 2019/06/19 08:15 | Courtney John Lock v Thabo Ncube | 6-3,6-1 |
| ITF M15 Akko | 2019/06/10 07:00 | Courtney John Lock v Dor Yakob Wertheimer | 4-6,1-6 |
| ITF M15 Accra | 2019/05/01 12:30 | Tukhula Jacobs v Courtney John Lock | 6-4,6-7,7-6 |
| ITF M25 Abuja | 2019/04/15 09:00 | Courtney John Lock v Marko Vejnovic | 6-7,3-6 |
| ITF M15 Arcadia | 2019/03/11 17:00 | Joao Ferreira v Courtney John Lock | 6-3,2-6,10-6 |
| ITF M15 Singapore | 2019/06/15 03:00 | Jonathan Gray v Kazuki Nishiwaki | 6-3,7-5 |
| ITF M15 Singapore | 2019/06/14 05:30 | Kazuki Nishiwaki v Benard Bruno Nkomba | 6-3,6-0 |
| ITF M15 Singapore | 2019/06/13 02:00 | Kazuki Nishiwaki v Abhinav Sanjeev Shanmugam | 7-6,6-2 |
| ITF M15 Singapore | 2019/06/11 07:45 | Kazuki Nishiwaki v Shamirul S Mohd Adam Das | 6-0,6-1 |
| ITF M15 Singapore | 2019/06/04 02:00 | Cameron Green v Kazuki Nishiwaki | 7-6,6-1 |
| ITF M15 Singapore | 2019/05/29 03:55 | Maksim Tikhomirov v Kazuki Nishiwaki | 6-3,6-4 |
| ITF M25 Wuhan | 2019/05/06 02:00 | Kazuki Nishiwaki v Jianhui Li | 5-7,6-2,6-10 |
| ITF M15 Wuhan | 2019/05/02 02:00 | Kazuki Nishiwaki v Sora Fukuda | 2-6,1-6 |