Stadium: Court A Round: 19 Ground: Hardcourt outdoor
| ITF Women Kurume Qual | 2017/05/15 01:30 | Erina Hayashi v Mei Yamaguchi | 6-4,6-1 |
| ITF W25 Foxhills | 2023/07/31 11:10 | Mei Yamaguchi v Jaquelyn Ogunwale | 6-1,6-1 |
| ITF W25 El Espinar | 2023/07/24 07:50 | Mei Yamaguchi v Carolina Gomez | 4-6,4-6 |
| ITF W40 Porto | 2023/07/17 14:00 | Mei Yamaguchi v Gabriella Da Silva Fick | 1-6,2-6 |
| ITF W40 Porto | 2023/07/16 15:50 | Mei Yamaguchi v Tilde Stromquist | 6-2,6-1 |
| ITF W40 Hongkong | 2023/07/05 06:05 | Mei Yamaguchi v Eudice Chong | 7-5,2-6,2-6 |
| ITF W40 Hongkong | 2023/07/04 03:05 | Mei Yamaguchi v Hannah Kaile Shen | 6-1,6-0 |
| ITF W25 Hongkong | 2023/06/28 02:00 | Eudice Chong v Mei Yamaguchi | 6-1,6-0 |
| ITF W25 Hongkong | 2023/06/26 02:55 | Mei Yamaguchi v Anastasiia Sergienko | 6-0,6-1 |
| ITF W25 Foxhills | 2023/07/31 12:15 | Erina Hayashi v Andre Lukosiute | 1-6,7-5,10-2 |
| ITF W60 Fukuoka | 2023/05/08 01:00 | Erina Hayashi v Nana Kawagishi | 1-6,4-6 |
| ITF W15 Fukui | 2023/04/25 02:00 | Erina Hayashi v Honoka Kobayashi | 3-6,2-6 |
| ITF W25 Osaka | 2023/04/09 01:00 | Erina Hayashi v Emerson Jones | 2-6,0-6 |
| ITF W60 Canberra | 2023/03/19 23:00 | Alexandra Osborne v Erina Hayashi | 6-2,6-3 |
| ITF W60 Canberra - kvalifikace | 2023/03/18 22:55 | Nessa Pratt v Erina Hayashi | 0-6,0-6 |
| ITF W60 Canberra | 2023/03/12 22:45 | Kaylah McPhee v Erina Hayashi | 6-2,6-3 |
| ITF W60 Canberra | 2023/03/11 23:00 | Olivia Symons v Erina Hayashi | 6-2,1-6,4-6 |