Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Almaty, Singles Qualifying M-ITF-KAZ-05A | 2019/07/09 07:30 | Nam, Ji Sung v Narbekov, Sultan | 6-1,6-1 |
| Challenger Columbus | 2019/06/16 17:55 | Nam, Ji Sung v Torpegaard, Mikael | 1-6,5-7 |
| Challenger Columbus | 2019/06/14 17:00 | Nam, Ji Sung v Zhizhen Zhang | 6-3,6-2 |
| Challenger Columbus | 2019/06/13 21:35 | Gonzalez, Alejandro v Nam, Ji Sung | 4-6,2-6 |
| Challenger Columbus | 2019/06/12 16:10 | Nam, Ji Sung v Wolf, Jeffrey John | 6-4,3-6,6-4 |
| Challenger Columbus | 2019/06/10 22:45 | Cannon Kingsley v Nam, Ji Sung | 5-7,4-6 |
| Challenger - Little Rock | 2019/06/04 17:50 | Joao Menezes v Nam, Ji Sung | 5-7,6-1,6-2 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/26 03:00 | Nam, Ji Sung v Sekiguchi, Shuichi | 1-6,4-6 |
| Almaty, Singles Qualifying M-ITF-KAZ-05A | 2019/07/10 04:00 | Ayap, Sagadat v Bolotov, Sergey | 6-1,6-2 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/13 05:45 | Nam Hoang Ly v Ayap, Sagadat | 6-3,6-0 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/12 04:00 | Zhang, Zheng Qi Jonathan v Ayap, Sagadat | 1-6,3-6 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/29 07:00 | Ayap, Sagadat v Oleg Prihodko | 3-6,3-6 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/28 08:25 | Richard Zusman v Ayap, Sagadat | 1-6,4-6 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/20 09:00 | Ayap, Sagadat v Egor Matvievici | 6-4,6-3 |
| Irpin, Singles Qualifying M-ITF-UKR-04A | 2019/05/20 07:00 | Ayap, Sagadat v Kamynin, Dmytro | 4-6,3-6 |
| Shymkent 2, Kazakhstan | 2019/05/06 04:00 | Manafov, Vladyslav v Ayap, Sagadat | 6-3,6-3 |