Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Women Nanjing | 2017/02/18 03:40 | Okuno, Ayaka v Hanyu Guo | 7-6,6-1 |
| ITF W15 Ipoh | 2023/02/13 01:30 | Okuno, Ayaka v Natalia Fehr | 6-1,6-0 |
| ITF W25 Yokohama | 2022/11/08 00:50 | Okuno, Ayaka v Honoka Kobayashi | 1-6,1-6 |
| ITF W25 Yokohama | 2022/11/07 01:00 | Okuno, Ayaka v Mabuchi, Mami | 6-2,6-2 |
| ITF W25 Fort Worth | 2022/10/17 15:00 | Ania Hertel v Okuno, Ayaka | 6-3,6-2 |
| ITF W60 Las Vegas | 2022/10/10 18:15 | Okuno, Ayaka v Mohamad, Shatoo | 2-6,2-6 |
| ITF W25 Austin | 2022/09/26 16:00 | Eryn Cayetano v Okuno, Ayaka | 6-2,6-3 |
| ITF W25 Dallas | 2022/07/25 14:00 | Okuno, Ayaka v Jessica Hinojosa Gomez | 0-6,5-7 |
| ITF W15 Rancho Santa Fe | 2022/06/01 16:00 | Okuno, Ayaka v Haley Giavara | 5-7,3-6 |
| ITF W15 Ipoh | 2023/02/13 01:30 | I-Hsuan Cho v Hanyu Guo | 1-6,2-6 |
| ITF W25 Antalya | 2023/02/05 07:00 | Jiang, Xinyu v Hanyu Guo | 6-4,6-3 |
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/01 02:00 | Hanyu Guo v Nuria Parrizas-Diaz | 7-6,6-7,4-6 |
| Shenzhen, Simples W-ITF-CHN-26A | 2019/11/04 05:30 | Raluca Georgiana Serban v Hanyu Guo | 6-4,3-6,10-7 |
| Liuzhou, Qualifications Simples W-ITF-CHN-25A | 2019/10/30 08:05 | Hanyu Guo v Dalila Jakupovic | 3-6,5-7 |
| Liuzhou, Qualifications Simples W-ITF-CHN-25A | 2019/10/29 02:55 | Dejana Radanovic v Hanyu Guo | 3-6,6-4,6-10 |
| Liuzhou, Qualifications Simples W-ITF-CHN-25A | 2019/10/28 07:15 | Ying Zhang v Hanyu Guo | 1-6,6-2,10-12 |
| Suzhou, Simples W-ITF-CHN-23A | 2019/10/17 03:00 | Hanyu Guo v Ankita Raina | 6-1,1-6,3-6 |