Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| Open d'Australie Playoff Wilcard Australienne | 2019/12/04 03:50 | Bu Yunchaokete v Nam, Ji Sung | 4-6,0-6 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/30 03:00 | Shintaro Imai v Nam, Ji Sung | 7-6,7-6 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/29 02:55 | Sora Fukuda v Nam, Ji Sung | 2-6,1-6 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/28 02:30 | Saito, Takashi v Nam, Ji Sung | 7-5,3-6,1-6 |
| Nonthaburi, Simples M-ITF-THA-06A | 2019/11/26 07:20 | Taisei Ichikawa v Nam, Ji Sung | 5-7,2-6 |
| Challenger Kobe | 2019/11/07 02:00 | Yuki Mochizuki v Nam, Ji Sung | 3-6,6-1,1-6 |
| Challenger Kobe | 2019/11/06 02:55 | Patael, Ben v Nam, Ji Sung | 2-6,4-6 |
| Shenzhen II, Chine | 2019/10/29 03:45 | Nam, Ji Sung v Zhe Li | 2-6,1-6 |
| Open d'Australie Playoff Wilcard Australienne | 2019/12/04 03:35 | Jumpei Yamasaki v Tatsuma Ito | 2-6,2-6 |
| Playford City II, Australie | 2019/11/01 01:50 | Alex Bolt v Tatsuma Ito | 5-7,4-6 |
| Playford City II, Australie | 2019/10/31 03:30 | Blake Mott v Tatsuma Ito | 4-6,6-7 |
| Playford City II, Australie | 2019/10/30 01:20 | Klein, Brydan v Tatsuma Ito | 4-6,4-6 |
| Challenger Traralgon | 2019/10/26 06:15 | Harris, Andrew v Tatsuma Ito | 4-6,7-6,7-6 |
| Challenger Traralgon | 2019/10/24 23:00 | Max Purcell v Tatsuma Ito | 5-7,1-6 |
| Challenger Traralgon | 2019/10/24 02:50 | Bourchier, Harry v Tatsuma Ito | 4-6,6-4,3-6 |
| Challenger Traralgon | 2019/10/22 23:00 | Mousley, Bradley v Tatsuma Ito | 4-6,3-6 |