Stadium: Court South 5 Round: 54 Ground: Hardcourt outdoor
| WTA - Chicago | 2021/09/25 16:35 | Ena Shibahara v Asia Muhammad | 0-6,4-6 |
| WTA - Cleveland | 2021/08/23 19:00 | Ena Shibahara v Bethanie Mattek-Sands | 4-6,6-3,1-6 |
| WTA - Cleveland | 2021/08/22 16:30 | Alexa Glatch v Ena Shibahara | 7-6,6-4 |
| WTA - Cleveland | 2021/08/21 18:15 | Ena Shibahara v Sophie Chang | 2-6,7-6,6-1 |
| WTA - Dubai | 2021/03/06 06:00 | Kaia Kanepi v Ena Shibahara | 6-1,6-7,6-4 |
| WTA - Doha | 2021/02/28 14:30 | Ena Shibahara v Anna Blinkova | 4-6,6-3,2-6 |
| WTA - Doha | 2021/02/27 12:10 | Mubaraka Al-Naimi v Ena Shibahara | 0-6,1-6 |
| WTA - Abu Dhabi | 2021/01/06 06:00 | Ena Shibahara v Anastasia Gasanova | 6-4,5-7,2-6 |
| ITF W15 - Norman | 2021/10/12 15:00 | Mercedes Aristegui v Victoria Mboko | 0-6,2-6 |
| ITF W25 - Redding | 2021/10/06 20:40 | Mercedes Aristegui v Pranjala Yadlapalli | 0-6,2-6 |
| ITF W25 - Redding | 2021/10/04 17:00 | Kami Osher v Mercedes Aristegui | 2-6,1-6 |
| ITF W15 - Lubbock | 2021/09/27 15:00 | Kelly Williford v Mercedes Aristegui | 4-6,7-6,10-8 |
| ITF W15 - Lubbock | 2021/09/26 15:00 | Mercedes Aristegui v Magdalini Adaloglou | 6-7,6-0,11-9 |
| ITF W25 - Fort Worth | 2021/09/23 14:00 | Alexa Graham v Mercedes Aristegui | 6-1,6-0 |
| ITF W25 - Fort Worth | 2021/09/22 18:00 | Mercedes Aristegui v Rasheeda McAdoo | 6-3,6-1 |
| ITF W60 - Vitoria-Gasteiz | 2021/07/14 12:40 | Lesley Pattinama Kerkhove v Mercedes Aristegui | 6-3,6-0 |