Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/08/13 14:00 | Tyler Mercier v Jose Olivares | 6-4,7-5 |
| ITF M25 Pensacola | 2019/05/10 17:50 | Jose Olivares v Felix Corwin | 1-6,6-3,2-6 |
| ITF M25 Pensacola | 2019/05/09 15:00 | Andrew Watson v Jose Olivares | 7-6,4-6,1-6 |
| ITF M25 Pensacola | 2019/05/08 14:00 | Jose Olivares v Sergey Belov | 6-4,2-6,6-4 |
| ITF M25 Vero Beach | 2019/05/02 14:00 | Pedro Sakamoto v Jose Olivares | 7-5,6-2 |
| ITF M25 Vero Beach | 2019/05/01 16:00 | Jose Olivares v Baker Newman | 2-6,6-1,6-2 |
| ITF M15 Orange Park | 2019/04/20 16:00 | Dmitry Popko v Jose Olivares | 6-2,6-1 |
| ITF M15 Orange Park | 2019/04/19 13:15 | Ricardo Rodriguez-Pace v Jose Olivares | 4-6,3-6 |
| Challenger Yokkaichi | 2019/08/07 02:00 | Kazuki Nishiwaki v Yusuke Takahashi | 5-7,6-3,3-6 |
| Challenger Yokkaichi | 2019/08/06 01:00 | Courtney John Lock v Kazuki Nishiwaki | 2-6,2-6 |
| 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 |