Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Guam F1 | 2018/06/19 00:00 | Takeshima, Shunrou v Alex Hunt | 6-3,6-2 |
| ITF Japan F8 | 2018/06/13 01:00 | Takeshima, Shunrou v Ryota Tanuma | 3-6,1-6 |
| ITF Japan F7 | 2018/06/04 02:30 | Takeshima, Shunrou v Makoto Ochi | 4-6,3-6 |
| ITF Singapore F1 | 2018/05/16 02:00 | Takeshima, Shunrou v Thai-Son Kwiatkowski | 4-6,6-4,2-6 |
| ITF Singapore F1 | 2018/05/15 05:15 | Takeshima, Shunrou v Yuichiro Inui | 6-4,6-4 |
| ITF Japan F6 | 2018/04/12 03:50 | Takeshima, Shunrou v Naoki Tajima | 6-4,2-6,4-6 |
| ITF Japan F6 | 2018/04/10 03:20 | Takeuchi, Kento (1987) v Takeshima, Shunrou | 6-4,4-6,5-7 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | Uesugi, Teppei v Takeshima, Shunrou | 4-6,2-6 |
| ITF Guam F1 | 2018/06/18 00:00 | Bajpai, Manu v Ono, Masayoshi | 1-6,2-6 |
| ITF Guam F1 | 2018/06/17 00:00 | Ono, Masayoshi v Kamisar, Nicholas | 6-4,6-4 |
| ITF Guam F1 | 2018/06/16 01:00 | Camacho, Camden v Ono, Masayoshi | 0-6,1-6 |
| ITF Japan F8 | 2018/06/12 01:00 | Ono, Masayoshi v Kazuma Kawachi | 4-6,0-6 |
| ITF Japan F8 | 2018/06/11 00:00 | Ono, Masayoshi v Matsuzaki, Yutaro | 6-2,6-2 |
| ITF Japan F8 | 2018/06/09 04:45 | Sasai, Masaki v Ono, Masayoshi | 5-7,4-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Hashikawa, Yasunori v Ono, Masayoshi | 6-2,4-6,4-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Yuichiro Inui v Ono, Masayoshi | 7-5,6-2 |