[128] Jason Jung 5-7,4-6 Tatsuma Ito [148] 2019-12-08 06:00
Stadium: Center Round: 29 Ground: Hardcourt outdoor
Head to Head
| Challenger Gimcheon | 2018/05/08 06:15 | Jason Jung v Tatsuma Ito | 6-3,5-7,7-6 |
| Challenger Taipei | 2018/04/13 07:30 | Jason Jung v Tatsuma Ito | 6-3,6-7,6-7 |
Home History
| Australian Open WC | 2019/12/07 04:30 | Jason Jung v Duckhee Lee | 6-2,6-1 |
| Australian Open WC | 2019/12/06 02:00 | Jason Jung v Yuki Mochizuki | 6-1,6-4 |
| Australian Open WC | 2019/12/05 04:55 | Jason Jung v Jie Cui | 6-3,6-4 |
| Challenger Houston | 2019/11/15 22:35 | Marcos Giron v Jason Jung | 6-1,2-6,6-2 |
| Challenger Houston | 2019/11/15 19:50 | Alexey Vatutin v Jason Jung | 5-7,2-6 |
| Challenger Houston | 2019/11/13 16:00 | Daniel Nguyen v Jason Jung | 3-6,2-6 |
| Challenger Shenzhen 2 | 2019/11/01 04:00 | Jason Jung v Frederico Ferreira Silva | 6-7,6-4,4-6 |
| Challenger Shenzhen 2 | 2019/10/31 02:00 | Jason Jung v Tung-Lin Wu | 7-6,6-4 |
Away History
| Australian Open WC | 2019/12/07 05:30 | Yunseong Chung v Tatsuma Ito | 6-1,4-6,4-6 |
| Australian Open WC | 2019/12/06 03:55 | Ji Sung Nam v Tatsuma Ito | 6-3,1-6,1-6 |
| 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 |