Kofu, Singles W-WITF-JPN-02A 03/28 03:50 25 Hibi, Mayo v Matsumoto, Ari 6-1,6-1
Yokohama, Singles W-WITF-JPN-01B 03/12 02:30 29 [221] Hibi, Mayo v Akiko Omae [224] 5-7,2-6
Yokohama, Singles W-WITF-JPN-01B 03/11 03:25 28 [182] Kato, Miyu v Hibi, Mayo [221] Retired
Yokohama, Singles W-WITF-JPN-01B 03/10 01:30 27 Hibi, Mayo v Nishimoto, Megumi 6-1,6-1
Yokohama, Singles W-WITF-JPN-01B 03/09 03:00 26 Hibi, Mayo v Haruka Kaji 6-3,6-3
Yokohama, Singles W-WITF-JPN-01B 03/08 04:00 25 [221] Hibi, Mayo v Inoue, Miyabi [270] 7-6,6-4
ITF Women Rancho Santa Fe 02/24 18:00 27 Kayla Day v Hibi, Mayo 2-6,6-3,7-5
ITF Women Rancho Santa Fe 02/23 18:00 26 Chloe Paquet v Hibi, Mayo 2-6,5-7
ITF Women Rancho Santa Fe 02/22 19:00 25 Gordon, Michaela v Hibi, Mayo 1-6,1-6
ITF Women Surprise 02/17 19:55 27 Caroline Dolehide v Hibi, Mayo 6-3,6-2
ITF Women Surprise 02/16 18:40 26 Sanchez, Maria v Hibi, Mayo 5-7,7-6,3-6
ITF Women Surprise 02/14 19:30 25 Hibi, Mayo v Abanda, Francoise 6-3,4-6,6-3
ITF Women Midland 02/02 00:00 25 Hibi, Mayo v Varvara Lepchenko 6-4,5-7,4-6
ITF Women Petit-Bourg 01/21 20:00 29 Hibi, Mayo v Giuliana Olmos 6-3,6-0
ITF Women Petit-Bourg 01/20 19:00 28 Hibi, Mayo v Osaka, Mari 5-7,6-4,6-1
ITF Women Petit-Bourg 01/19 20:15 27 Hibi, Mayo v Estelle Cascino 6-2,6-4
ITF Women Petit-Bourg 01/18 21:25 26 Hibi, Mayo v Alice Rame 6-2,6-4
ITF Women Petit-Bourg 01/17 15:00 25 Hibi, Mayo v Robillard-Millette, Charlotte 6-1,6-3
ITF Women Fort-De-France 01/13 20:00 28 Hibi, Mayo v Giuliana Olmos 6-7,1-6
ITF Women Fort-De-France 01/12 22:10 27 Hibi, Mayo v Alice Rame 6-2,6-1
ITF Women Fort-De-France 01/11 17:00 26 Hibi, Mayo v Cazeaux, Amandine 6-0,6-2
ITF Women Fort-De-France 01/10 19:00 25 Hibi, Mayo v Amy Zhu 7-6,6-4
Toyota, Singles W-WITF-JPN-02A 11/15 05:00 25 Hibi, Mayo v Ayano Shimizu 6-2,1-6,4-6
ITF Women Tokyo 11/08 03:05 25 Dalma Galfi v Hibi, Mayo 6-3,6-0
Tampico, Simples W-WITF-MEX-02A 10/25 17:00 25 Katie Swan v Hibi, Mayo 6-1,7-5
ITF Women Saguenay 10/20 19:50 26 Sanchez, Maria v Hibi, Mayo 6-3,6-1
ITF Women Saguenay 10/18 19:05 25 Katie Swan v Hibi, Mayo 4-6,4-6
ITF Women Redding 10/04 17:40 25 Zaja, Anna v Hibi, Mayo 3-6,6-1,6-3
ITF Women Las Vegas 09/28 18:00 25 Michaella Krajicek v Hibi, Mayo 6-1,6-4
Albuquerque, Simples W-WITF-USA-30A 09/20 17:30 25 Hibi, Mayo v Cepede Royg, Veronica 3-6,5-7