Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| Ningbo, China | 2019/10/16 03:35 | Harris, Andrew v Nam, Ji Sung | 3-6,5-7 |
| Ningbo, China | 2019/10/14 08:25 | Nam, Ji Sung v Sekiguchi, Shuichi | 6-1,6-1 |
| Challenger Kaohsiung | 2019/09/20 06:50 | Nam, Ji Sung v Marc Polmans | 6-3,1-6,4-6 |
| Challenger Kaohsiung | 2019/09/19 03:00 | Nam, Ji Sung v Harris, Andrew | 6-2,6-2 |
| Challenger Kaohsiung | 2019/09/18 03:30 | Tsai, Chang-Lin v Nam, Ji Sung | 4-6,1-6 |
| Coupe Davis | 2019/09/14 04:50 | Zhe Li v Nam, Ji Sung | 6-7,6-7 |
| Jinan, China | 2019/09/03 04:45 | Nedelko, Ivan v Nam, Ji Sung | 4-6,7-5,6-3 |
| Baotou, Chine | 2019/08/29 02:00 | Nam, Ji Sung v Yan Bai | 3-6,6-4,5-7 |
| Ningbo, China | 2019/10/16 03:20 | Yosuke Watanuki v Klahn, Bradley | 7-6,2-6,3-6 |
| Shanghai, Chine | 2019/10/06 05:00 | Londero, Juan Ignacio v Klahn, Bradley | 6-4,7-6 |
| Shanghai, Chine | 2019/10/05 04:00 | Klahn, Bradley v Nicolas Jarry | 7-6,3-6,7-5 |
| ATP Tokyo | 2019/09/28 02:00 | John Millman v Klahn, Bradley | 3-6,7-6,6-2 |
| Chengdu, Chine | 2019/09/26 06:35 | Klahn, Bradley v Denis Shapovalov | 6-3,3-6,6-7 |
| Chengdu, Chine | 2019/09/23 06:30 | Klahn, Bradley v Jason Jung | 4-6,6-3,7-6 |
| Chengdu, Chine | 2019/09/22 03:00 | Klahn, Bradley v Lloyd Harris | 6-3,7-6 |
| Chengdu, Chine | 2019/09/21 03:00 | Klahn, Bradley v Hiroki Moriya | 4-6,6-3,6-4 |