Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Yokohama, Japan, Qualifying | 2018/02/26 01:00 | Zhe Li v Ehara, Hiroyasu | 6-7,6-3,4-6 |
| Yokohama, Japan, Qualifying | 2018/02/25 01:00 | Tung-Lin Wu v Ehara, Hiroyasu | 5-7,3-6 |
| Yokohama, Japan, Qualifying | 2018/02/24 03:45 | Margaroli, Luca v Ehara, Hiroyasu | 1-6,2-6 |
| Challenger Kyoto Qual | 2018/02/18 04:50 | Ehara, Hiroyasu v Luke Saville | 6-7,3-6 |
| Challenger Kyoto Qual | 2018/02/17 04:45 | Ehara, Hiroyasu v Shirafuji, Naru | 7-5,6-2 |
| ITF Egypt F3 | 2018/02/03 14:30 | Pedro Martinez v Ehara, Hiroyasu | 6-2,6-2 |
| ITF Egypt F3 | 2018/02/02 15:00 | Ehara, Hiroyasu v Erler, Alexander | 6-2,3-6,6-1 |
| ITF Egypt F3 | 2018/02/01 15:00 | Ehara, Hiroyasu v Vit Kopriva | 7-6,3-6,7-5 |
| Kyoto, Japan | 2018/02/21 04:00 | Soeda, Go v Whittington, Andrew | 6-4,6-1 |
| Kyoto, Japan | 2018/02/19 08:30 | Whittington, Andrew v Sora Fukuda | 6-3,6-3 |
| Challenger Launceston | 2018/02/08 00:00 | Whittington, Andrew v Harris, Andrew | 6-1,6-7,6-7 |
| Challenger Launceston | 2018/02/06 00:40 | Lucas Catarina v Whittington, Andrew | 6-7,1-6 |
| Challenger - Burnie | 2018/02/01 01:30 | Whittington, Andrew v Yoshihito Nishioka | 6-2,2-6,3-6 |
| Challenger - Burnie | 2018/01/31 06:30 | Whittington, Andrew v Luke Saville | 2-6,7-6,6-1 |
| Challenger - Burnie | 2018/01/29 01:05 | Whittington, Andrew v Klein, Brydan | 6-7,7-6,6-2 |
| Australian Open Qual | 2018/01/11 07:45 | Whittington, Andrew v Safranek, Vaclav | 2-6,3-6 |