Stadium: Court 10 Round: 54 Ground: Synthetic outdoor
| ITF Japan F7 Qual | 2018/06/02 01:00 | Масая Кобаяши v Казуки Шимицу | 6-7,3-6 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Шо Шимабукуро v Казуки Шимицу | 6-2,6-1 |
| ITF Japan F4 | 2018/03/24 00:00 | Риота Танума v Казуки Шимицу | 6-2,6-1 |
| ITF Japan F3 | 2018/03/17 04:00 | Soichiro Moritani v Казуки Шимицу | 6-2,6-3 |
| ITF Japan F1 | 2018/03/03 05:30 | Казуки Шимицу v Masaki Sasai | 3-6,2-6 |
| ITF Turkey F7 | 2018/02/19 08:00 | Yuto Sakai v Казуки Шимицу | 6-2,6-3 |
| ITF Turkey F7 | 2018/02/18 11:30 | Christian Samuelsson v Казуки Шимицу | 6-3,3-6,4-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | Казуки Шимицу v Раян Нибоер | 6-4,3-6,6-4 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Takuya Kumasaka v David Barclay | 5-7,6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | David Barclay v Юичиро Инуи | 1-6,7-6,6-4 |
| ITF Australia F4 Qual | 2018/03/26 01:10 | Аарън Адисън v David Barclay | 7-5,6-4 |
| ITF Australia F4 Qual | 2018/03/25 00:30 | Брайън Тран v David Barclay | 4-6,5-7 |
| ITF Australia F4 Qual | 2018/03/24 03:30 | David Barclay v Щефан Щорх | 6-2,6-0 |
| ITF Australia F3 Qual | 2018/03/18 00:30 | Lewis Miles v David Barclay | 6-4,6-4 |
| ITF Australia F3 Qual | 2018/03/17 01:30 | David Barclay v Сократес Леон Цоронис | 7-5,6-4 |
| ITF Australia F2 Qual | 2018/03/03 00:00 | Michael Commings v David Barclay | 3-6,6-2,6-4 |