Round: 54 Ground: Hardcourt outdoor
| ITF Hong Kong F6 | 2017/12/30 04:30 | Douglas Geiwald v Pak Hong Issac Chan | 5-7,2-6 |
| ITF Hong Kong F4 | 2017/12/17 02:00 | Jie Cui v Douglas Geiwald | 6-2,6-1 |
| ITF Hong Kong F3 | 2017/07/01 02:00 | Christian Oliver Lee v Douglas Geiwald | 6-2,4-6,6-1 |
| ITF Hong Kong F2 Qual | 2017/06/24 02:00 | Jesse Delaney v Douglas Geiwald | 6-1,6-0 |
| ITF Hong Kong F1 | 2017/06/20 04:00 | Ye Cong Mo v Douglas Geiwald | 6-3,6-2 |
| ITF China F3 Qual | 2017/02/25 06:00 | Douglas Geiwald v Boris Butulija | 1-6,0-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Yasunori Hashikawa v Masayoshi Ono | 6-2,4-6,4-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Wei-De Lin v Yasunori Hashikawa | 6-2,6-2 |
| ITF Japan F3 | 2018/03/17 00:30 | Yasunori Hashikawa v Naoya Maesaki | 4-6,4-6 |
| ITF Japan F2 | 2018/03/11 00:30 | Issei Okamura v Yasunori Hashikawa | 6-2,6-1 |
| ITF Japan F1 | 2018/03/04 01:00 | Jack Murray v Yasunori Hashikawa | 6-2,6-2 |
| ITF Japan F1 | 2018/03/03 01:00 | Yasunori Hashikawa v Kenta Kurita | 6-2,6-4 |