Stadium: Court 9 Round: 27 Ground: Hardcourt outdoor
| ITF W15 Cancun | 2019/11/07 15:40 | Hosonuma, Chisa v Natarajan, Ramya | 2-6,7-5,6-1 |
| ITF W15 Cancun | 2019/11/05 14:00 | Christensen, Elle v Hosonuma, Chisa | 4-6,4-6 |
| ITF W15 Cancun | 2019/10/29 14:00 | Carruthers, Steffi v Hosonuma, Chisa | 6-3,6-0 |
| Anning, Singles W-ITF-CHN-22A | 2019/09/11 02:00 | Hosonuma, Chisa v Meng Yi Chen | 3-6,6-4,6-1 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/02 07:20 | Sakura Hosogi v Hosonuma, Chisa | 6-2,6-2 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/02 02:00 | Hosonuma, Chisa v Ikumi Yamazaki | 3-6,6-3,10-8 |
| ITF W25 Nanao | 2019/08/25 03:00 | Misaki Matsuda v Hosonuma, Chisa | 6-3,6-0 |
| ITF W25 Nanao | 2019/08/25 01:00 | Yasaki, Azusa v Hosonuma, Chisa | 2-6,0-6 |
| ITF W15 Cancun | 2019/11/07 14:00 | Madison Bourguignon v Sysoeva, Anastasia | 4-6,6-3,4-6 |
| ITF W15 Cancun | 2019/11/05 17:35 | Sysoeva, Anastasia v Adrienn Nagy | 6-3,6-1 |
| ITF W15 Cancun | 2019/10/31 14:00 | Adrienn Nagy v Sysoeva, Anastasia | 6-1,5-7,6-4 |
| Austin, Singles W-ITF-USA-38B | 2019/10/25 16:00 | Chavatipon, Charlotte v Sysoeva, Anastasia | 6-2,6-1 |
| Austin, Singles W-ITF-USA-38B | 2019/10/24 16:00 | Sysoeva, Anastasia v Fernanda Labrana | 7-6,7-6 |
| Austin, Singles W-ITF-USA-38B | 2019/10/23 21:00 | Kylie Mckenzie v Sysoeva, Anastasia | 6-4,3-6,3-6 |
| Austin, Singles W-ITF-USA-38B | 2019/10/22 15:00 | Sysoeva, Anastasia v Reimchen, Anastasia | 7-6,2-6,10-5 |
| Austin, Singles W-ITF-USA-38B | 2019/10/21 15:00 | Sysoeva, Anastasia v Bulatovic, Carolina | 6-2,6-1 |