Stadium: Court 2 Round: 26
| ITF Japan F1 | 2018/03/08 03:10 | Yuichi Ito v Takashi Saito | 2-6,4-6 |
| ITF Japan F3 | 2014/03/27 03:05 | Takashi Saito v Yuichi Ito | 3-6,1-6 |
| ITF Thailand F3 | 2018/09/04 04:20 | Yuichi Ito v Masayoshi Ono | 7-6,6-3 |
| ITF Thailand F2 | 2018/08/28 05:35 | Thanapet Chanta v Yuichi Ito | 6-4,6-4 |
| ITF Korea F5 | 2018/08/21 03:00 | Yuichi Ito v Chan-Yeong Oh | 7-6,6-7,3-6 |
| ITF Malaysia F3 | 2018/07/17 02:00 | Yuichi Ito v Lance-Pierre Du Toit | 2-6,6-4,3-6 |
| ITF Malaysia F2 | 2018/07/10 02:00 | Yuichi Ito v Michail Pervolarakis | 2-6,2-6 |
| ITF Guam F1 | 2018/06/24 00:00 | Yuta Shimizu v Yuichi Ito | 6-3,6-2 |
| ITF Guam F1 | 2018/06/23 02:10 | Thomas Fancutt v Yuichi Ito | 6-7,4-6 |
| ITF Guam F1 | 2018/06/22 01:35 | Yuichi Ito v Niklas Johansson | 7-6,6-1 |
| ITF Thailand F3 | 2018/09/04 06:55 | Palaphoom Kovapitukted v Takashi Saito | 6-4,4-6,2-6 |
| ITF Thailand F2 | 2018/08/29 04:00 | Takashi Saito v Connor Farren | 6-2,6-1 |
| ITF Thailand F2 | 2018/08/28 07:10 | Takashi Saito v Pol Wattanakul | 6-3,3-6,6-3 |
| Challenger Meerbusch Qual | 2018/08/12 14:25 | Takashi Saito v Alexandre Muller | 3-6,0-6 |
| ITF Belgium F7 | 2018/08/09 09:20 | Takashi Saito v Benjamin Pietri | 6-7,4-6 |
| ITF Belgium F7 | 2018/08/07 16:35 | Takashi Saito v Vadym Ursu | 6-7,6-3,7-6 |
| ITF Germany F10 | 2018/07/31 10:00 | Manuel Guinard v Takashi Saito | 7-6,0-6,6-1 |
| Challenger Tampere | 2018/07/21 11:05 | Ivan Gakhov v Takashi Saito | 6-1,6-3 |