Stadium: Court 4 Round: 44 Ground: Hardcourt outdoor
| WTA Tokyo | 2024/10/19 07:00 | Clara Tauson v Honori Koyama | 6-0,6-1 |
| ITF W15 Sharm El Sheikh | 2024/10/02 09:20 | Honori Koyama v Sandra Samir | 3-6,1-6 |
| ITF W15 Sharm El Sheikh | 2024/10/01 08:45 | Vivien Sandberg v Honori Koyama | 7-5,4-6,5-10 |
| ITF W15 Sharm El Sheikh | 2024/09/25 13:55 | Honori Koyama v Kristiana Sidorova | 6-7,6-7 |
| ITF W15 Sharm El Sheikh | 2024/09/24 10:10 | Klara Veldman v Honori Koyama | 3-6,4-6 |
| ITF W15 Sharm El Sheikh | 2024/09/18 08:40 | Honori Koyama v Sarafina Olivia Hansen | 2-6,1-6 |
| ITF W15 Sapporo | 2024/07/31 00:50 | Kanna Soeda v Honori Koyama | 6-2,6-2 |
| ITF W15 Sapporo | 2024/07/23 01:00 | Karen Tsutsumi v Honori Koyama | 6-1,6-1 |