Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| WTA - Linz | 2021/11/07 10:00 | Harmony Tan v Kucova, Kristina | 5-7,6-3,6-4 |
| WTA - Linz | 2021/11/06 09:00 | Buzarnescu, Mihaela v Kucova, Kristina | 2-6,7-6,3-6 |
| ITF W60 Rancho Santa Fe | 2021/10/15 20:40 | Kucova, Kristina v Fiona Ferro | 6-7,6-3,4-6 |
| ITF W60 Rancho Santa Fe | 2021/10/14 17:30 | Kucova, Kristina v Priscilla Hon | 1-6,7-6,7-6 |
| ITF W60 Rancho Santa Fe | 2021/10/13 16:25 | Kucova, Kristina v Elsa Jacquemot | 4-6,6-4,6-2 |
| WTA - Indian Wells | 2021/10/08 22:15 | Kucova, Kristina v Shelby Rogers | 2-6,2-6 |
| WTA - Indian Wells | 2021/10/05 19:45 | Kucova, Kristina v Mai Hontama | 3-6,4-6 |
| WTA - Indian Wells | 2021/10/04 18:00 | Kucova, Kristina v Yue Yuan | 6-2,6-1 |
| ITF W25 Funchal | 2021/11/15 14:10 | Ayumi Koshiishi v Hsieh, Yu-Chieh | 6-3,6-3 |
| ITF - W15 Monastir | 2021/08/22 08:00 | Ekaterina Reyngold v Ayumi Koshiishi | 7-6,6-7,1-6 |
| ITF - W15 Monastir | 2021/08/21 08:00 | Ayumi Koshiishi v Himeno Sakatsume | 6-1,6-1 |
| ITF - W15 Monastir | 2021/08/20 09:55 | Aglaya Fedorova v Ayumi Koshiishi | 2-6,1-6 |
| ITF - W15 Monastir | 2021/08/19 09:40 | Yuka Hosoki v Ayumi Koshiishi | 3-6,1-6 |
| ITF - W15 Monastir | 2021/08/18 16:40 | Hina Inoue v Ayumi Koshiishi | 0-6,1-6 |
| ITF - W15 Monastir | 2021/08/15 07:25 | Ayumi Koshiishi v Himeno Sakatsume | 6-3,7-6 |
| ITF - W15 Monastir | 2021/08/14 08:30 | Ayumi Koshiishi v Lauren Proctor | 6-2,7-6 |