Stadium: Ct 9 Round: 28 Ground: Hardcourt outdoor
| Challenger Traralgon | 2019/10/25 03:00 | Harris, Andrew v James Duckworth | 6-3,6-3 |
| Challenger Traralgon | 2019/10/23 00:25 | Harris, Andrew v Lucas Gerch | 6-2,6-3 |
| Ningbo, China | 2019/10/16 03:35 | Harris, Andrew v Nam, Ji Sung | 3-6,5-7 |
| Chengdu, Chine | 2019/09/21 06:00 | Luke Saville v Harris, Andrew | 6-4,7-5 |
| Challenger Kaohsiung | 2019/09/19 03:00 | Nam, Ji Sung v Harris, Andrew | 6-2,6-2 |
| Challenger Kaohsiung | 2019/09/18 06:05 | Yang, Tsung-Hua v Harris, Andrew | 6-7,3-6 |
| Challenger Shanghai | 2019/09/11 04:05 | Makoto Ochi v Harris, Andrew | 6-4,2-6,6-7 |
| US Open, New York, USA | 2019/08/19 19:00 | Gregoire Barrere v Harris, Andrew | 6-7,7-6,7-6 |
| Challenger Traralgon | 2019/10/24 23:00 | Max Purcell v Tatsuma Ito | 5-7,1-6 |
| Challenger Traralgon | 2019/10/24 02:50 | Bourchier, Harry v Tatsuma Ito | 4-6,6-4,3-6 |
| Challenger Traralgon | 2019/10/22 23:00 | Mousley, Bradley v Tatsuma Ito | 4-6,3-6 |
| Ningbo, China | 2019/10/17 06:50 | Tatsuma Ito v Frederico Ferreira Silva | 4-6,6-7 |
| Ningbo, China | 2019/10/16 05:10 | Tatsuma Ito v Kaichi Uchida | 3-6,6-3,6-4 |
| Shanghai, Chine | 2019/10/05 04:00 | Tatsuma Ito v Damir Dzumhur | 6-4,6-7,2-6 |
| ATP Tokyo | 2019/09/29 02:00 | John Millman v Tatsuma Ito | 7-6,6-1 |
| ATP Tokyo | 2019/09/28 03:25 | Tatsuma Ito v Gojowczyk, Peter | 5-7,6-1,6-4 |