Stadium: Court North 2 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Austin | 2021/10/25 16:00 | van Nguyen, Chanelle v Barad Itzhaki, Tamara | 6-0,6-2 |
| ITF W60 Rancho Santa Fe | 2021/10/12 16:20 | Haley Giavara v van Nguyen, Chanelle | 5-7,6-2,10-7 |
| ITF W60 Rancho Santa Fe | 2021/10/11 16:55 | Mohamad, Shatoo v van Nguyen, Chanelle | 0-6,2-6 |
| ITF W60 Las Vegas | 2021/10/09 19:20 | Yuriko Lily Miyazaki v van Nguyen, Chanelle | 6-2,6-2 |
| ITF W60 Las Vegas | 2021/10/08 19:30 | van Nguyen, Chanelle v Allie Kiick | 2-6,6-4,6-1 |
| ITF W60 Las Vegas | 2021/10/07 16:55 | van Nguyen, Chanelle v Mihalikova, Tereza | 6-4,6-3 |
| ITF W60 Las Vegas | 2021/10/05 18:30 | Glatch, Alexa v van Nguyen, Chanelle | 6-0,4-6,1-6 |
| ITF W60 Berkeley | 2021/09/28 19:05 | Hiroko Kuwata v van Nguyen, Chanelle | 6-3,7-5 |
| ITF W25 Austin | 2021/10/25 16:00 | Rapolu, Malaika v Okuno, Ayaka | 6-2,4-6,2-10 |
| ITF W15 Norman | 2021/10/13 16:00 | Okuno, Ayaka v Anita Sahdiieva | 1-6,6-2,2-6 |
| ITF W25 Pelham | 2021/05/16 15:00 | Abrams, Sophie v Okuno, Ayaka | 6-3,6-1 |
| ITF W25 Naples | 2021/05/04 15:25 | Maria Lourdes Carle v Okuno, Ayaka | 2-6,6-1,10-1 |
| ITF W25 Naples | 2021/05/03 15:00 | Pielet, Gianna v Okuno, Ayaka | 3-6,6-2,5-10 |
| ITF W60 Rome GA | 2021/01/25 19:45 | Okuno, Ayaka v Sanchez, Maria | 2-6,2-6 |
| ITF W25 Yokohama | 2020/03/04 05:20 | Erika Sema v Okuno, Ayaka | 6-4,6-4 |
| ITF W25 Yokohama | 2020/03/03 07:00 | Okuno, Ayaka v Yukina Saigo | 6-3,6-1 |