Stadium: Court F Round: 46 Ground: Hardcourt indoor
| Challenger Canberra 2 | 2018/10/31 01:45 | Yosuke Watanuki v Harris, Andrew | 7-6,6-7,6-0 |
| Challenger Fairfield | 2018/10/06 17:00 | Sebastian Fanselow v Harris, Andrew | 3-6,6-1,6-1 |
| Challenger Stockton | 2018/09/30 23:45 | Kelly, Dayne v Harris, Andrew | 7-5,6-7,7-6 |
| Challenger Stockton | 2018/09/29 22:00 | Nguyen, Daniel v Harris, Andrew | 0-6,4-6 |
| Challenger Columbus | 2018/09/18 18:10 | Hernandez-Fernandez, Jose v Harris, Andrew | 6-4,6-1 |
| Challenger Chicago | 2018/09/02 21:50 | Harris, Andrew v Hugo Nys | 4-6,3-6 |
| ITF USA F23 | 2018/08/18 16:05 | Bangoura, Sekou v Harris, Andrew | 2-6,6-4,6-4 |
| ITF USA F23 | 2018/08/17 16:20 | Kirkov, Vasil v Harris, Andrew | 3-6,6-1,4-6 |
| Challenger Kobe | 2018/11/10 02:00 | Yuki Mochizuki v Naoki Nakagawa | 6-1,6-7,6-2 |
| ITF Hong Kong F2 | 2018/07/02 04:00 | Yuki Mochizuki v Shintaro Imai | 6-4,5-7,3-6 |
| ITF Hong Kong F1 | 2018/06/30 02:00 | Yuki Mochizuki v Hong Kit Wong | 4-6,6-2,6-1 |
| ITF Hong Kong F1 | 2018/06/29 02:00 | Jumpei Yamasaki v Yuki Mochizuki | 4-6,4-6 |
| ITF Hong Kong F1 | 2018/06/28 02:00 | Inoue, Haru v Yuki Mochizuki | 3-6,1-6 |
| ITF Hong Kong F1 | 2018/06/27 02:00 | Wong, Chun Hun v Yuki Mochizuki | 3-6,2-6 |
| ITF Hong Kong F1 | 2018/06/26 02:00 | Yuki Mochizuki v Yuta Shimizu | 3-6,6-4,6-4 |
| ITF Japan F8 | 2018/06/16 02:00 | Rio Noguchi v Yuki Mochizuki | 3-6,6-4,6-3 |