Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| Australian Open WC | 2019/12/04 03:50 | Bu Yunchaokete v Ji Sung Nam | 4-6,0-6 |
| ITF M15 Nonthaburi | 2019/11/30 03:00 | Shintaro Imai v Ji Sung Nam | 7-6,7-6 |
| ITF M15 Nonthaburi | 2019/11/29 02:55 | Sora Fukuda v Ji Sung Nam | 2-6,1-6 |
| ITF M15 Nonthaburi | 2019/11/28 02:30 | Takashi Saito v Ji Sung Nam | 7-5,3-6,1-6 |
| ITF M15 Nonthaburi | 2019/11/26 07:20 | Taisei Ichikawa v Ji Sung Nam | 5-7,2-6 |
| Challenger Kobe | 2019/11/07 02:00 | Yuki Mochizuki v Ji Sung Nam | 3-6,6-1,1-6 |
| Challenger Kobe | 2019/11/06 02:55 | Ben Patael v Ji Sung Nam | 2-6,4-6 |
| Challenger Shenzhen 2 | 2019/10/29 03:45 | Ji Sung Nam v Zhe Li | 2-6,1-6 |
| Australian Open WC | 2019/12/04 03:35 | Jumpei Yamasaki v Tatsuma Ito | 2-6,2-6 |
| Challenger Playford 2 | 2019/11/01 01:50 | Alex Bolt v Tatsuma Ito | 5-7,4-6 |
| Challenger Playford 2 | 2019/10/31 03:30 | Blake Mott v Tatsuma Ito | 4-6,6-7 |
| Challenger Playford 2 | 2019/10/30 01:20 | Brydan Klein v Tatsuma Ito | 4-6,4-6 |
| Challenger Traralgon | 2019/10/26 06:15 | Andrew Harris 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 | Harry Bourchier v Tatsuma Ito | 4-6,6-4,3-6 |
| Challenger Traralgon | 2019/10/22 23:00 | Bradley Mousley v Tatsuma Ito | 4-6,3-6 |