| UTR Pro Tennis Series Dallas Women | 2021/09/01 14:30 | Dekmeijere, Liga v Cai, Xinyu | 3-6,1-5 |
| UTR Pro Tennis Series Dallas Women | 2021/08/31 16:00 | Natasha Opaciuch v Cai, Xinyu | 1-6,1-6 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/24 13:30 | Liv Hovde v Cai, Xinyu | 6-3,6-4 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/23 16:30 | Jackeline Lopez v Cai, Xinyu | 4-6,5-7 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/21 12:00 | Adeline Flach v Cai, Xinyu | 2-6,2-5 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/19 18:00 | Tanguilig, Carson v Cai, Xinyu | 7-6,6-1 |
| UTR Pro Tennis Series Atlanta Women | 2021/07/18 18:30 | Malkia Ngounoue v Cai, Xinyu | 6-2,5-7,6-1 |
| Nanning, Singles W-ITF-CHN-24A | 2019/10/20 06:00 | Cai, Xinyu v Chengyiyi Yuan | 4-6,4-6 |
| UTR Pro Tennis Series Dallas Women | 2021/08/31 17:30 | L Dekmeijere v Jacquline Nylander Altelius | 3-6,6-1,1-6 |
| UTR Pro Tennis Series Dallas Women | 2021/08/30 17:30 | Jacquline Nylander Altelius v Sasha Motlagh | 1-6,6-4,6-1 |
| ITF W25 Parnu | 2021/08/03 07:00 | Oleksandra Oliynykova v Jacquline Nylander Altelius | 6-2,6-3 |
| ITF W25 Parnu | 2021/08/02 09:35 | Tereza Dejnozkova v Jacquline Nylander Altelius | 4-6,6-4,8-10 |
| ITF W15 Savitaipale | 2021/07/29 07:00 | Jacquline Nylander Altelius v Kaul, Maria Lota | 1-6,6-2,5-7 |
| ITF W15 Savitaipale | 2021/07/28 09:00 | Elena Jamshidi v Jacquline Nylander Altelius | 6-7,3-6 |
| ITF W15 Savitaipale | 2021/07/27 07:00 | Jacquline Nylander Altelius v Valeriia Krokhotina | 5-7,6-1,10-4 |
| ITF W25 Kyiv | 2021/07/20 09:30 | Timea Jaruskova v Jacquline Nylander Altelius | 6-1,6-4 |