Marina Alex (-19) erased a six-shot deficit to win the 2018 Cambia Portland Classic by four shots over Georgia Hall (-15). Alex posted a final round 65 (-7).
Sep 02
| Round 4 | To Par | Thru | |
|---|---|---|---|
| 1 | Nelly Korda | -12 | 1:20 PM |
| 2 | Haru Nomura | -9 | 1:20 PM |
| T3 | Jeongeun Lee6 | -8 | 1:10 PM |
| T3 | Jodi Ewart Shadoff | -8 | 1:10 PM |
| T3 | Wei-Ling Hsu | -8 | 1:00 PM |