Stadium: Court 1 Round: 25 Ground: Clay
| ITF W60 Charlottesville | 2021/04/28 14:00 | Mayo Hibi v Ulrikke Eikeri | 4-6,6-7 |
| WTA Guadalajara | 2021/03/06 19:15 | Elisabetta Cocciaretto v Mayo Hibi | 6-3,3-6,6-4 |
| WTA Melbourne | 2021/02/13 00:00 | Mayo Hibi v Rebecca Marino | 4-6,3-6 |
| Australian Open Women | 2021/02/08 02:05 | Mayo Hibi v Anna Karolina Schmiedlova | 6-7,4-6 |
| WTA Gippsland Trophy | 2021/02/01 23:30 | Elise Mertens v Mayo Hibi | 6-2,6-2 |
| WTA Gippsland Trophy | 2021/01/31 23:30 | Varvara Lepchenko v Mayo Hibi | 4-6,7-6,1-6 |
| Australian Open Women | 2021/01/13 10:15 | Mayo Hibi v Kamilla Rakhimova | 6-4,6-4 |
| Australian Open Women | 2021/01/12 13:25 | Katharina Gerlach v Mayo Hibi | 3-6,4-6 |
| ITF W60 Charlottesville | 2021/04/26 14:00 | Sophie Chang v Mirjam Bjorklund | 6-3,6-3 |
| WTA Charleston | 2021/04/03 15:40 | Caroline Dolehide v Mirjam Bjorklund | 6-4,6-3 |
| WTA Miami | 2021/03/22 14:00 | Mirjam Bjorklund v Oceane Dodin | 2-6,1-6 |
| WTA Doha | 2021/02/28 13:10 | Mirjam Bjorklund v Misaki Doi | 6-3,1-6,1-6 |
| WTA Doha | 2021/02/27 12:25 | Mirjam Bjorklund v Lucie Hradecka | 6-2,6-4 |
| ITF W25 Potchefstroom | 2021/02/17 09:45 | Mirjam Bjorklund v Nuria Parrizas-Diaz | 2-6,4-6 |
| ITF W25 Potchefstroom | 2021/02/10 07:30 | Nuria Parrizas-Diaz v Mirjam Bjorklund | 4-6,6-3,6-4 |
| ITF W15 Manacor | 2021/01/27 10:35 | Alexandra Eala v Mirjam Bjorklund | 6-4,3-6,6-3 |