Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| Challenger Chennai | 2019/02/05 07:30 | Andrew Harris v Tsung-Hua Yang | 6-2,6-1 |
| Challenger Yokohama | 2019/02/28 06:45 | Jurij Rodionov v Tsung-Hua Yang | 4-6,4-6 |
| Challenger Yokohama | 2019/02/27 01:00 | Tsung-Hua Yang v Pedro Cachin | 6-4,6-4 |
| Challenger Yokohama | 2019/02/25 02:40 | Yunseong Chung v Tsung-Hua Yang | 4-6,3-6 |
| Challenger Bangkok 1A | 2019/02/18 10:10 | Tsung-Hua Yang v Saketh Myneni | 3-6,5-7 |
| Challenger Bangkok | 2019/02/12 04:10 | Tsung-Hua Yang v Janko Tipsarevic | 2-6,6-4,4-6 |
| Challenger Chennai | 2019/02/05 07:30 | Andrew Harris v Tsung-Hua Yang | 6-2,6-1 |
| Challenger Launceston | 2019/01/31 00:35 | Tsung-Hua Yang v Tristan Lamasine | 3-6,2-6 |
| Challenger Launceston | 2019/01/29 02:00 | Guilherme Clezar v Tsung-Hua Yang | 5-7,6-7 |
| Challenger Yokohama | 2019/02/28 08:20 | Gastao Elias v Andrew Harris | 4-6,7-5,4-6 |
| Challenger Yokohama | 2019/02/26 07:10 | Andrew Harris v Hiroki Moriya | 6-3,6-3 |
| Challenger Yokohama | 2019/02/25 07:10 | Andrew Harris v Yo Han Sung | 6-1,6-2 |
| Challenger Chennai | 2019/02/10 09:30 | Andrew Harris v Corentin Moutet | 3-6,3-6 |
| Challenger Chennai | 2019/02/09 07:30 | Prajnesh Gunneswaran v Andrew Harris | 4-6,6-3,0-6 |
| Challenger Chennai | 2019/02/08 08:15 | Andrew Harris v Alejandro Davidovich Fokina | 1-6,7-6,6-2 |
| Challenger Chennai | 2019/02/07 05:00 | Gianluca Mager v Andrew Harris | 6-7,6-7 |
| Challenger Chennai | 2019/02/05 07:30 | Andrew Harris v Tsung-Hua Yang | 6-2,6-1 |