Stadium: Court F Round: 26 Ground: Hardcourt outdoor
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/20 01:00 | 한, 나래 v Chiang, Yuki Kristina | 3-6,4-6 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Chiang, Yuki Kristina v 이, 야수안 | 1-6,0-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | 김, 다빈 v Chiang, Yuki Kristina | 2-6,1-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/05 01:00 | 다트, 하리에트 v Chiang, Yuki Kristina | 6-1,6-1 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 02:30 | Nishida, Nao v Chiang, Yuki Kristina | 4-6,6-7 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | 곤칼베스, 파울라 크리스티나 v Chiang, Yuki Kristina | 6-1,6-1 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/12 17:00 | Weinhold, Ashley v Chiang, Yuki Kristina | 6-2,6-3 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | Wacnik, Jessica v Chiang, Yuki Kristina | 4-6,6-3,2-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/20 02:40 | 하야시, 에리나 v 오쿠노, 아야카 | 0-6,7-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | 오쿠노, 아야카 v 오카무라, 쿄카 | 1-6,3-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2018/03/04 07:00 | 오쿠노, 아야카 v 이, 야수안 | 4-6,4-6 |
| Surprise, Singles Qualifying W-WITF-USA-05A | 2018/02/11 17:00 | 올모스, 기울리아나 v 오쿠노, 아야카 | 6-2,1-6,6-2 |
| ITF Women Hong Kong | 2018/01/02 04:10 | 쿰쿰, 루크시카 v 오쿠노, 아야카 | 6-1,6-2 |
| ITF Women Toyota Qual | 2017/11/12 02:00 | 오쿠노, 아야카 v Ohya, Nozomi | 2-6,3-6 |
| ITF Women Shenzhen Qual | 2017/11/06 03:00 | 오쿠노, 아야카 v 니마, 주어마 | 1-6,7-6,2-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2017/10/18 01:50 | Kawasaki, Mitsumi v 오쿠노, 아야카 | 6-1,6-1 |