Stadium: Court 1 Round: 44 Ground: Clay
| UTR Pro Tennis Series Barcelona Women | 2021/10/29 10:00 | Esther L Alcaraz v Nina Ugrelidze | 6-4,5-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/28 08:30 | Esther L Alcaraz v Judit Hernandez Miranda | 6-0,5-0 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/27 08:20 | Maja Radenkovic v Esther L Alcaraz | 3-6,5-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/26 13:30 | Sapfo Sakellaridi v Esther L Alcaraz | 6-2,5-0 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/10 08:30 | Esther L Alcaraz v Berta M Avante | 1-6,4-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/09 10:00 | Esther L Alcaraz v Carlota F Carreter | 7-5,5-3 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/08 12:30 | Laura Garcia v Esther L Alcaraz | 5-7,7-5,3-6 |
| UTR Pro Tennis Series Barcelona Women | 2021/10/07 09:30 | Silvia Martinez Jimenez v Esther L Alcaraz | 7-6,5-7,6-5 |
| ITF W15 Castellon | 2021/10/31 12:30 | Celine Simunyu v Judit Hernandez Miranda | 6-3,6-2 |
| Billie Jean King Cup | 2021/06/18 08:55 | Celine Simunyu v Nefisa Berberovic | 2-6,0-6 |
| Billie Jean King Cup | 2021/06/17 09:00 | Celine Simunyu v Irena Muradyan | 6-4,6-2 |
| Billie Jean King Cup | 2021/06/16 09:00 | Celine Simunyu v Anna Soffia Gronholm | 6-1,6-2 |
| Billie Jean King Cup | 2021/06/15 09:00 | Celine Simunyu v Annette Cruickshank | 6-0,6-0 |
| ITF W15 Madrid | 2020/12/06 13:00 | Celine Simunyu v Lucie Petruzelova | 3-6,0-6 |
| ITF W25 Marbella | 2020/08/31 12:00 | Oksana Selekhmeteva v Celine Simunyu | 6-0,6-3 |
| ITF W25 Marbella | 2020/08/30 10:00 | Fanny Norin v Celine Simunyu | 6-3,3-6,5-10 |