Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| Challenger Chengdu Qual | 2018/07/28 03:40 | 华 润豪(ファ・ルンハオ) v Kibi, Yuya | 5-7,6-4,6-2 |
| ITF China F10 | 2018/07/09 07:15 | テ・リゲル v Kibi, Yuya | 3-6,6-2,6-1 |
| ITF China F9 | 2018/07/03 09:10 | Kibi, Yuya v ソング,ミン・キュー | 5-7,2-6 |
| ITF Japan F8 | 2018/06/15 01:30 | Kibi, Yuya v 菊池 玄吾 | 6-4,4-6,3-6 |
| ITF Japan F8 | 2018/06/14 01:00 | Kibi, Yuya v タナカ,ユウノスケ | 6-3,6-2 |
| ITF Japan F8 | 2018/06/12 02:40 | Kibi, Yuya v クリタ,ケンタ | 7-6,7-6 |
| ITF Japan F6 | 2018/04/10 01:00 | 山﨑 純平 v Kibi, Yuya | 7-6,6-1 |
| ITF Japan F5 | 2018/04/03 01:00 | リー・ジョー v Kibi, Yuya | 1-6,6-2,7-5 |