Stadium: Court 1 Round: 24 Ground: Hardcourt outdoor
| Challenger Chennai | 2019/02/04 04:30 | Kaito Uesugi v Dhakshineswar Suresh | 6-1,6-3 |
| Challenger Da Nang | 2019/01/07 03:00 | Kaito Uesugi v Arthur Rinderknech | 3-6,4-6 |
| Challenger Da Nang | 2019/01/06 03:30 | Alafia Ayeni v Kaito Uesugi | 6-7,6-2,3-6 |
| Challenger Kobe | 2018/11/12 04:55 | Go Soeda v Kaito Uesugi | 6-3,6-1 |
| Challenger Ningbo | 2018/10/14 04:05 | Yuta Shimizu v Kaito Uesugi | 3-6,6-2,6-1 |
| Challenger Ningbo | 2018/10/13 04:30 | Miliaan Niesten v Kaito Uesugi | 5-7,4-6 |
| ITF Indonesia F3 | 2018/08/07 02:00 | Kaito Uesugi v Christian Langmo | 6-1,6-2 |
| ITF Indonesia F2 | 2018/08/05 03:00 | Kaito Uesugi v Jeremy Beale | 2-6,2-6 |
| Challenger Newport Beach | 2019/01/25 22:55 | Donald Young v Collin Altamirano | 6-2,6-1 |
| Challenger Newport Beach | 2019/01/24 21:50 | Collin Altamirano v Dustin Brown | 7-6,6-2 |
| Challenger Newport Beach | 2019/01/23 22:20 | Collin Altamirano v Victor Estrella Burgos | 7-5,6-2 |
| Challenger Pune | 2018/11/20 09:50 | Collin Altamirano v Lucas Gerch | 3-6,1-6 |
| Challenger Bangalore | 2018/11/13 05:30 | Collin Altamirano v Mukund Sasikumar | 6-7,3-6 |
| Challenger Charlottesville | 2018/10/30 22:10 | Marcos Giron v Collin Altamirano | 6-4,6-4 |
| Challenger Calgary | 2018/10/18 01:20 | Collin Altamirano v Filip Peliwo | 7-5,6-7,1-6 |
| Challenger Calgary | 2018/10/15 18:40 | Jay Clarke v Collin Altamirano | 5-7,0-6 |