Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF - W15 San Diego | 2023/06/05 19:00 | Morales, Melissa v Kosan, Klara | 1-6,5-7 |
| ITF W15 Rancho Santa Fe | 2023/05/29 20:30 | Kosan, Klara v Olivia Center | 1-6,2-6 |
| ITF W15 Rancho Santa Fe | 2022/06/02 17:30 | Kosan, Klara v Han, Jiangxue | 1-6,2-6 |
| ITF W15 Rancho Santa Fe | 2022/06/01 17:40 | Kosan, Klara v Prathyusha Rachapudi | 6-2,1-6,6-1 |
| ITF W15 Rancho Santa Fe | 2022/05/31 16:00 | Saniya Singh v Kosan, Klara | 0-6,5-7 |
| ITF W15 Rancho Santa Fe | 2022/05/30 09:00 | Kosan, Klara v Wilkinson, Cydnee | 6-2,6-2 |
| UTR Pro Tennis Series California Women | 2021/12/12 17:30 | Marley Lambert v Kosan, Klara | 0-6,6-7 |
| UTR Pro Tennis Series California Women | 2021/12/11 17:30 | Allison Lian v Kosan, Klara | 2-6,7-5,2-6 |
| ITF - W15 San Diego | 2023/06/05 19:00 | Emily Deming v Jittakoat, Yinglak | 6-4,3-6,10-6 |
| ITF W15 Rancho Santa Fe | 2023/05/30 19:00 | Solymar Colling v Emily Deming | 4-6,6-4,6-3 |
| UTR Pro California Women | 2023/05/07 17:00 | Teixido Garcia, Ares v Emily Deming | 6-1,2-6,6-4 |
| UTR Pro California Women | 2023/05/06 20:00 | Adrianna Sosnowska v Emily Deming | 7-6,3-6,4-5 |
| UTR Pro California Women | 2023/05/04 19:10 | Seha Yu v Emily Deming | 5-7,4-6 |
| UTR Pro California Women | 2023/05/03 20:00 | Megan McCray v Emily Deming | 6-2,6-3 |
| UTR Pro California Women | 2023/05/01 19:27 | Gianna Oboniye v Emily Deming | 4-6,5-7 |
| UTR Pro California Women | 2023/02/19 18:00 | Megan McCray v Emily Deming | 7-5,7-5 |