Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF Guam F1 | 2018/06/21 00:00 | Yuichi Ito v David Barclay | 6-2,6-2 |
| ITF Guam F1 | 2018/06/19 04:30 | Yuichi Ito v Daisuke Sumizawa | 6-3,4-6,6-3 |
| ITF Japan F6 Qual | 2018/04/09 02:30 | Yuichi Ito v Hajime Nakashima | 1-6,1-6 |
| ITF Japan F5 | 2018/03/31 00:30 | Yuichi Ito v Ko Suzuki | 6-7,2-6 |
| ITF Japan F3 | 2018/03/18 01:30 | Yuichi Ito v Shunrou Takeshima | 6-7,6-7 |
| ITF Japan F2 | 2018/03/12 00:30 | Yuichi Ito v Shinta Fujii | 1-6,6-3,4-6 |
| ITF Japan F2 | 2018/03/11 00:30 | Yuichi Ito v Ryota Kishi | 7-6,7-5 |
| ITF Japan F1 | 2018/03/08 03:10 | Yuichi Ito v Takashi Saito | 2-6,4-6 |
| ITF Guam F1 | 2018/06/20 04:05 | Niklas Johansson v Kento Takeuchi | 6-3,6-4 |
| ITF Guam F1 | 2018/06/18 03:00 | Ryotaro Matsumura v Niklas Johansson | 4-6,6-3,4-6 |
| ITF Uganda F4 | 2018/05/23 06:00 | Niklas Johansson v Tyler Lu | 3-6,6-7 |
| ITF Uganda F4 | 2018/05/21 13:15 | Sergey Dorozhkin v Niklas Johansson | 6-7,5-7 |
| ITF Uganda F3 | 2018/05/15 06:00 | Ivan Nedelko v Niklas Johansson | 4-6,6-1,6-2 |
| ITF Uganda F3 | 2018/05/13 06:00 | Niklas Johansson v Sylvester Emmanuel | 6-0,7-6 |
| ITF Uganda F3 | 2018/05/12 07:00 | Niklas Johansson v Darryl Hale | 6-0,6-2 |
| ITF Uganda F2 | 2018/05/10 07:50 | George Loffhagen v Niklas Johansson | 6-4,6-2 |