Round: 54 Ground: Hardcourt outdoor
| ITF - Guam F1 | 2018/06/16 00:00 | Douglas Geiwald v Yasunori Hashikawa | 1-6,1-6 |
| 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 |
| ITF - Tunesien F21 | 2018/05/30 11:35 | Vasil Kirkov v Worarin Kumthonkittikul | 5-7,7-6,6-1 |
| ITF - Tunesien F21 | 2018/05/27 09:00 | Philip Sikman v Worarin Kumthonkittikul | 2-6,2-6 |
| ITF - Tunesien F21 | 2018/05/26 10:00 | Robert Hughes v Worarin Kumthonkittikul | 1-6,4-6 |
| ITF - Tunesien F20 | 2018/05/22 11:00 | Constantin Bittoun Kouzmine v Worarin Kumthonkittikul | 6-2,6-2 |
| ITF - Tunesien F19 | 2018/05/12 09:00 | Hillel Rousseau v Worarin Kumthonkittikul | 6-1,7-6 |
| ITF - Ägypten F8 | 2018/03/03 12:30 | Fabian Gruber v Worarin Kumthonkittikul | 7-5,6-3 |
| ITF - Ägypten F7 | 2018/02/25 10:30 | Worarin Kumthonkittikul v Stefan Seifert | 4-6,0-6 |
| ITF - Ägypten F7 | 2018/02/24 08:00 | Klim Ivanov v Worarin Kumthonkittikul | 1-6,2-6 |