Stadium: Court 12 Round: 54 Ground: Grass
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/18 03:00 | Jing-Jing Lu v Nishizato, Kiko | 5-7,6-3,10-5 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 02:00 | Morimoto, Nagisa v Nishizato, Kiko | 6-0,4-6,6-1 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/11 03:55 | Himeno Sakatsume v Nishizato, Kiko | 7-5,6-3 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 02:00 | Sano, Yuika v Nishizato, Kiko | 4-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/25 04:00 | Nishizato, Kiko v Wachaczyk, Julia | 0-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/18 01:00 | Takahata, Kotomi v Nishizato, Kiko | 6-3,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/05 07:00 | Vukovic, Daniela v Nishizato, Kiko | 6-4,6-3 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/04 08:30 | Nishizato, Kiko v Prehn, Paula | 6-1,6-0 |
| Kurume, Singles W-ITF-JPN-11A | 2019/05/13 01:55 | Hosonuma, Chisa v Ena Shibahara | 2-6,3-6 |
| ITF W15 Cancun | 2019/03/19 19:00 | Magali Kempen v Hosonuma, Chisa | 6-3,6-2 |
| ITF W15 Cancun | 2019/03/16 13:30 | Maria Camila Osorio Serrano v Hosonuma, Chisa | 6-3,6-1 |
| ITF W15 Cancun | 2019/03/15 13:00 | Hosonuma, Chisa v Weedon, Kirsten-Andrea | 6-4,6-2 |
| ITF W15 Cancun | 2019/03/14 14:55 | Hosonuma, Chisa v Villarreal, Andrea Renee | 6-2,6-1 |
| ITF W15 Cancun | 2019/03/12 14:05 | Tess Sugnaux v Hosonuma, Chisa | 7-6,3-6,3-6 |
| Playford, Simples W-WITF-AUS-01A | 2018/12/31 01:00 | Hosonuma, Chisa v Ivana Popovic | 6-3,3-6,4-10 |
| ITF Women Yeongwol | 2018/08/29 01:00 | Wijesundera, Rushri v Hosonuma, Chisa | 0-6,6-1,4-6 |