Stadium: Court 4 Round: 54
| ITF Women Kurume Qual | 2018/05/14 03:10 | Chiang, Yuki Kristina v Takahata, Kotomi | 6-4,4-6,7-6 |
| ITF Women Kurume Qual | 2018/05/13 10:10 | Chiang, Yuki Kristina v Yuka Hosoki | 2-6,6-3,6-3 |
| ITF Women Fukuoka Qual | 2018/05/06 01:00 | Hondo, Sakura v Chiang, Yuki Kristina | 6-2,6-3 |
| ITF Women Gifu Qual | 2018/04/29 04:20 | Mei Yamaguchi v Chiang, Yuki Kristina | 6-1,6-2 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Chiang, Yuki Kristina v Lertpitaksinchai, Nicha | 1-6,3-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Chiang, Yuki Kristina v Kato, Kei | 3-6,6-4,6-2 |
| ITF Women Kashiwa Qual | 2018/04/01 05:00 | Momoko Kobori v Chiang, Yuki Kristina | 6-2,6-3 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/26 01:00 | Lykina, Ksenia v Chiang, Yuki Kristina | 7-5,7-5 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Matsumoto, Ari v Takayama, Chihiro | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Matsumoto, Ari v Itoyama, Nao | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Matsumoto, Ari v Ueda, Ramu | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Zhang, Yuxuan v Matsumoto, Ari | 6-3,6-4 |
| Kofu, Singles W-WITF-JPN-02A | 2018/03/28 03:15 | Bianca Andreescu v Matsumoto, Ari | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/08 07:30 | Bukta, Agnes v Matsumoto, Ari | 6-3,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/07 09:50 | Stamat, Vitalia v Matsumoto, Ari | 6-4,4-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/05 07:00 | Stankovic, Aleksandra v Matsumoto, Ari | 2-6,7-6,4-6 |