2019 Koser Jewelers Tennis Challenge – Singles
| Singles | |
|---|---|
| 2019 Koser Jewelers Tennis Challenge | |
| Champion | Madison Brengle |
| Runner-up | Zhu Lin |
| Score | 6–4, 7–5 |
Madison Brengle was the defending champion, and successfully defended her title, defeating Zhu Lin in the final, 6–4, 7–5.