Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| 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 |
| Challenger Liuzhou | 2019/10/23 02:30 | Ji Sung Nam v Danilo Petrovic | 3-6,4-6 |
| Challenger Liuzhou | 2019/10/22 02:00 | Ji Sung Nam v Kaichi Uchida | 6-3,7-6 |
| Challenger Ningbo | 2019/10/17 04:55 | Ji Sung Nam v Bradley Klahn | 6-7,6-7 |
| Challenger Ningbo | 2019/10/16 03:35 | Andrew Harris v Ji Sung Nam | 3-6,5-7 |
| Challenger Ningbo | 2019/10/14 08:25 | Ji Sung Nam v Shuichi Sekiguchi | 6-1,6-1 |
| Challenger Knoxville | 2019/11/06 16:30 | Lloyd Glasspool v Brandon Nakashima | 6-7,6-3,6-7 |
| Challenger Knoxville | 2019/11/04 15:00 | Lloyd Glasspool v Strong Kirchheimer | 1-6,5-7 |
| Challenger Charlottesville | 2019/10/28 23:55 | Lloyd Glasspool v Alexander Ritschard | 4-6,4-6 |
| ITF M25 Fort Worth | 2019/10/22 19:05 | Tadeas Paroulek v Lloyd Glasspool | 6-4,6-3 |
| Challenger Las Vegas | 2019/10/15 21:25 | Lloyd Glasspool v Emilio Gomez | 2-6,7-6,3-6 |
| Challenger Las Vegas | 2019/10/14 18:00 | Lloyd Glasspool v Martin Redlicki | 7-5,7-6 |
| ITF M25 Norman | 2019/10/01 16:30 | Lloyd Glasspool v Jonathan Gray | 3-6,2-6 |
| Challenger Glasgow | 2019/09/17 14:05 | Lloyd Glasspool v Nicola Kuhn | 6-3,4-6,3-6 |