Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF W100 Dubai | 2021/11/23 06:25 | Hibi, Mayo v Oksana Selekhmeteva | 4-6,6-4,6-4 |
| ITF W60 Rancho Santa Fe | 2021/10/14 18:15 | Rebecca Peterson v Hibi, Mayo | 6-1,6-1 |
| ITF W60 Rancho Santa Fe | 2021/10/13 18:10 | Hibi, Mayo v Marine Partaud | 6-3,6-3 |
| WTA - Indian Wells | 2021/10/04 20:20 | Hibi, Mayo v Govortsova, Olga | 2-6,6-3,1-6 |
| ITF W60 Berkeley | 2021/10/02 18:40 | Hibi, Mayo v Usue Maitane Arconada | 3-6,7-6,4-6 |
| ITF W60 Berkeley | 2021/10/01 17:00 | Hibi, Mayo v Louisa Chirico | 6-2,6-3 |
| ITF W60 Berkeley | 2021/09/30 17:55 | Hibi, Mayo v Victoria Duval | 6-0,7-6 |
| ITF W60 Berkeley | 2021/09/29 20:45 | Hibi, Mayo v Hart, Jada Myii | 6-3,6-2 |
| ITF W100 Dubai | 2021/11/23 07:40 | Isabella Shinikova v Saisai Zheng | 6-2,7-6 |
| ITF W100 Dubai | 2021/11/22 06:30 | Isabella Shinikova v Mihalikova, Tereza | 0-6,6-4,12-10 |
| ITF W100 Dubai | 2021/11/21 12:05 | Isabella Shinikova v Dagan Fruchtman, Mika | 6-0,6-2 |
| ITF W25 Funchal | 2021/11/17 16:20 | Isabella Shinikova v Martina Trevisan | 2-6,1-6 |
| ITF W80 Les Franqueses | 2021/10/28 09:00 | Isabella Shinikova v Ylena In-Albon | 4-6,3-6 |
| ITF W80 Les Franqueses | 2021/10/27 11:20 | Isabella Shinikova v Carrillo Marin, Alba | 6-3,6-2 |
| ITF W25 Seville | 2021/10/21 08:25 | Lina Gjorcheska v Isabella Shinikova | 4-6,6-3,6-3 |
| ITF W25 Seville | 2021/10/20 10:10 | Angela Fita Boluda v Isabella Shinikova | 1-6,2-6 |