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Erina Hayashi vs. Mei Yamaguchi - head to head matches
| 01.08.23 | qual. | Mei Yamaguchi | Erina Hayashi | 6-1, 6-2 | match details |  W25 Foxhills | Hard |
| 15.05.17 | qual. | Erina Hayashi | Mei Yamaguchi | 6-4, 6-1 | match details |  Kurume | Carpet |
Erina Hayashi form & Mei Yamaguchi form
Erina Hayashi - last matches
| W15 Hinode - Hard | ||||
| 17.03.24 q 1 | vs. Seri Nayuki | 6-76, 1-6 |  | match details |
 W35 Traralgon - Hard | ||||
| 28.02.24 1st round | vs. Destanee Aiava | 0-6, 1-6 | | match details |
| 27.02.24 qual. | vs. Dayeon Back | 1-6, 1-2, Dayeon Back - retired |  | match details |
| 26.02.24 q 2 | vs. Jessica Board | 6-0, 6-1 | | match details |
| W35 Traralgon - Hard | ||||
| 20.02.24 qual. | vs. Laquisa Khan | 6-71, 1-6 | | match details |
| 19.02.24 q 2 | vs. Bridget Mihulka | 6-2, 6-1 | | match details |
| W60 Gold - Hard | ||||
| 26.11.23 q 1 | vs. Belle Thompson | 2-6, 7-5, 3-6 | | match details |
| W60 Sydney - Hard | ||||
| 30.10.23 qual. | vs. Shiho Akita | 2-6, 1-6 | | match details |
| 29.10.23 q 1 | vs. Renee Alame | 6-4, 6-2 | | match details |
| W60 Playford - Hard | ||||
| 23.10.23 qual. | vs. Natsuho Arakawa | 6-4, 3-6, 4-6 | | match details |
| 22.10.23 q 1 | vs. Gurmanat Kaur Sandhu | 6-1, 6-1 | | match details |
| W40 Nanao - Carpet | ||||
| 28.09.23 2nd round | vs. Erika Sema | 6-4, 3-6, 2-6 | | match details |
| 26.09.23 1st round | vs. Eunhye Lee | 6-4, 6-0 | | match details |
| 24.09.23 q 1 | vs. Yuno Kitahara | 5-7, 6-3, 6-3 | | match details |
| W25 Kyoto - I. hard | ||||
| 19.09.23 1st round | vs. Dasha Ivanova | 6-4, 1-6, 5-7 | | match details |
| 18.09.23 qual. | vs. Miyu Nakashima | 6-3, 6-4 | | match details |
| 17.09.23 q 1 | vs. Kaho Oyama | 6-3, 6-1 | | match details |
| W100 Tokyo - Hard | ||||
| 03.09.23 q 1 | vs. Carol Zhao | 3-6, 1-6 | | match details |
| W25 Aldershot - Hard | ||||
| 14.08.23 qual. | vs. Alice Gillan | 2-6, 4-6 | | match details |
| 13.08.23 q 1 | vs. Jaquelyn Ogunwale | 6-1, 7-5 | | match details |
| W25 Roehampton - Hard | ||||
| 07.08.23 qual. | vs. Maria Navarro Oliva | 4-6, 2-6 | | match details |
| 06.08.23 q 1 | vs. Chelsea Fontenel | 6-1, Chelsea Fontenel - retired | | match details |
| W25 Foxhills - Hard | ||||
| 01.08.23 qual. | vs. Mei Yamaguchi | 1-6, 2-6 | | match details |
| 31.07.23 q 1 | vs. Andre Lukosiute | 1-6, 7-5, 10-2 | | match details |
| W60 Kurume - Grass | ||||
| 15.05.23 q 1 | vs. Haruna Takeuchi | - | | match details |
| W60 Fukuoka - Carpet | ||||
| 08.05.23 q 1 | vs. Nana Kawagishi | 1-6, 4-6 | | match details |
| W15 Fukui - Hard | ||||
| 25.04.23 1st round | vs. Honoka Kobayashi | 3-6, 2-6 | | match details |
| W25 Osaka - Hard | ||||
| 09.04.23 q 1 | vs. Emerson Jones | 2-6, 0-6 | | match details |
| W60 Canberra - Clay | ||||
| 20.03.23 qual. | vs. Alexandra Osborne | 2-6, 3-6 | | match details |
| 19.03.23 q 1 | vs. Nessa Pratt | 6-0, 6-0 | | match details |
Mei Yamaguchi - last matches
| W35 Osaka - Hard | ||||
| 11.04.24 2nd round | vs. Hanna Chang | 4-6, 2-6 | | match details |
| 10.04.24 1st round | vs. Hayu Kinoshita | 6-2, 6-4 | | match details |
| 08.04.24 qual. | vs. Yu-Yun Li | 6-1, 6-2 | | match details |
| 07.04.24 q 1 | vs. Shiho Shibata | Shiho Shibata - walk over | | match details |
| 07.04.24 q 2 | vs. Kanon Sawashiro | 6-1, 6-2 | | match details |
| W50 Kashiwa - Hard | ||||
| 31.03.24 q 1 | vs. Petra Hule | 1-6, 2-6 | | match details |
| W50 Kofu - Hard | ||||
| 24.03.24 q 1 | vs. Rina Saigo | 1-6, 1-6 | | match details |
 W35 Indore - Hard | ||||
| 14.03.24 2nd round | vs. Dalila Jakupovic | 4-6, 2-6 | | match details |
| 13.03.24 1st round | vs. Akiko Omae | 6-2, 6-1 | | match details |
| W35 Nagpur - Clay | ||||
| 07.03.24 2nd round | vs. Rinon Okuwaki | 3-6, 6-2, 4-6 | | match details |
| 06.03.24 1st round | vs. Justina Mikulskyte | 7-5, 6-2 | | match details |
| W50 Indore - Hard | ||||
| 01.02.24 2nd round | vs. Dalila Jakupovic | 0-6, 3-6 | | match details |
| 30.01.24 1st round | vs. Anouk Koevermans | 6-3, 5-7, 6-4 | | match details |
| 29.01.24 qual. | vs. Yu-Yun Li | 6-0, 6-3 | | match details |
| 28.01.24 q 1 | vs. Prathyusha Rachapudi | 6-2, 6-2 | | match details |
| W50 Pune - Hard | ||||
| 22.01.24 qual. | vs. Tina Nadine Smith | 1-6, 6-4, 5-7 | | match details |
| 21.01.24 q 1 | vs. Yu-Yun Li | 6-4, 6-0 | | match details |
| W50 Bengaluru - Hard | ||||
| 19.01.24 1/4 | vs. Naho Sato | 4-6, 5-7 | | match details |
| 18.01.24 2nd round | vs. Tatiana Prozorova | 6-0, 6-2 | | match details |
| 17.01.24 1st round | vs. Sofya Lansere | 6-2, 6-2 | | match details |
| 15.01.24 qual. | vs. Diana Marcinkevica | 1-6, 6-2, 6-2 | | match details |
| 14.01.24 q 1 | vs. Yukina Saigo | 6-2, 6-0 | | match details |
 W50 Nonthaburi - Hard | ||||
| 10.01.24 1st round | vs. Misaki Matsuda | 2-6, 2-6 | | match details |
| 08.01.24 qual. | vs. Ekaterina Yashina | 7-65, 6-3 | | match details |
| 07.01.24 q 1 | vs. Viera Deeperm | 6-3, 6-3 | | match details |
| W40 Yokohama - Hard | ||||
| 29.11.23 2nd round | vs. Mananchaya Sawangkaew | 4-6, 4-6 | | match details |
| 28.11.23 1st round | vs. Akiko Omae | 6-2, 6-2 | | match details |
| 27.11.23 qual. | vs. Shuo Feng | 6-2, 6-2 | | match details |
| 26.11.23 q 1 | vs. Yu-Yun Li | 6-2, 6-4 | | match details |
| W100 Takasaki - Hard | ||||
| 20.11.23 q 1 | vs. Aoi Ito | 6-1, 5-7, 0-6 | | match details |
