| U.S. WOMEN'S OPEN CHAMPIONSHIP - Round 4 Best Rounds of the Day |
| Updated 6:47 p.m. EDT |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur |
| Pos | Player | Ctry | Total | Hole | Today | 1 | 2 | 3 | 4 | Total |
| 26 | CHOI, He Yong | ![]() | +9 | F | -3 | 77 | 74 | 74 | 68 | 293 |
| 13 | SHIN, Jiyai | ![]() | +7 | F | -3 | 72 | 75 | 76 | 68 | 291 |
| 26 | KORDA, Jessica | ![]() | +9 | F | -2 | 72 | 77 | 75 | 69 | 293 |
| 6 | CREAMER, Paula | ![]() | +4 | F | -2 | 72 | 68 | 79 | 69 | 288 |
| 6 | MIYAZATO, Ai | ![]() | +4 | F | -2 | 74 | 74 | 71 | 69 | 288 |
| 2 | KUNG, Candie | ![]() | +1 | F | -2 | 71 | 77 | 68 | 69 | 285 |
| 48 | LEWIS, Stacy | ![]() | +13 | F | -1 | 78 | 73 | 76 | 70 | 297 |
| 40 | REDMAN, Michele | ![]() | +12 | F | -1 | 77 | 73 | 76 | 70 | 296 |
| 26 | PARK, Inbee | ![]() | +9 | F | -1 | 75 | 71 | 77 | 70 | 293 |
| 26 | LEE, Alison | ![]() | +9 | F | -1 | 75 | 72 | 76 | 70 | 293 |
| 26 | INKSTER, Juli | ![]() | +9 | F | -1 | 78 | 73 | 72 | 70 | 293 |
| 5 | LINCICOME, Brittany | ![]() | +3 | F | -1 | 72 | 72 | 73 | 70 | 287 |
| 3 | KIM, In-Kyung | ![]() | +2 | F | -1 | 72 | 72 | 72 | 70 | 286 |
| 57 | KANG, Haeji | ![]() | +15 | F | E | 73 | 78 | 77 | 71 | 299 |
| 52 | KIM, Christina | ![]() | +14 | F | E | 72 | 76 | 79 | 71 | 298 |
| 17 | WRIGHT, Lindsey | ![]() | +8 | F | E | 74 | 70 | 77 | 71 | 292 |
| 17 | KANG, Jimin | ![]() | +8 | F | E | 76 | 71 | 74 | 71 | 292 |
| 9 | CHOI, Na Yeon | ![]() | +5 | F | E | 68 | 74 | 76 | 71 | 289 |
| 6 | PETTERSEN, Suzann | ![]() | +4 | F | E | 74 | 71 | 72 | 71 | 288 |
| 1 | JI, Eun Hee | ![]() | E | F | E | 71 | 72 | 70 | 71 | 284 |
| 57 | MIYAZATO, Mika | ![]() | +15 | F | +1 | 75 | 76 | 76 | 72 | 299 |
| 52 | STUPPLES, Karen | ![]() | +14 | F | +1 | 73 | 75 | 78 | 72 | 298 |
| 34 | HERNANDEZ, Maria | ![]() | +11 | F | +1 | 74 | 72 | 77 | 72 | 295 |
| 26 | NORDQVIST, Anna | ![]() | +9 | F | +1 | 71 | 75 | 75 | 72 | 293 |
| 26 | OCHOA, Lorena | ![]() | +9 | F | +1 | 69 | 79 | 73 | 72 | 293 |
| 17 | DAVIES, Laura | ![]() | +8 | F | +1 | 72 | 75 | 73 | 72 | 292 |
| 17 | FUKUSHIMA, Akiko | ![]() | +8 | F | +1 | 76 | 72 | 72 | 72 | 292 |
| 13 | SONG, Jennifer | ![]() | +7 | F | +1 | 72 | 74 | 73 | 72 | 291 |
| 12 | KIM, Song-Hee | ![]() | +6 | F | +1 | 74 | 69 | 75 | 72 | 290 |
| 9 | BAE, Kyeong | ![]() | +5 | F | +1 | 75 | 73 | 69 | 72 | 289 |
| 67 | HARIGAE, Mina | ![]() | +18 | F | +2 | 77 | 72 | 80 | 73 | 302 |
| 67 | ICHER, Karine | ![]() | +18 | F | +2 | 76 | 74 | 79 | 73 | 302 |
| 61 | LACROSSE, Cindy | ![]() | +16 | F | +2 | 76 | 75 | 76 | 73 | 300 |
| 57 | PRAMMANASUDH, Stacy | ![]() | +15 | F | +2 | 73 | 75 | 78 | 73 | 299 |
| 48 | FENG, Shanshan | ![]() | +13 | F | +2 | 74 | 74 | 76 | 73 | 297 |
| 40 | GAL, Sandra | ![]() | +12 | F | +2 | 75 | 71 | 77 | 73 | 296 |
| 40 | CHO, Misun | ![]() | +12 | F | +2 | 76 | 74 | 73 | 73 | 296 |
| 34 | THOMPSON, Alexis | ![]() | +11 | F | +2 | 71 | 73 | 78 | 73 | 295 |
| 34 | MCPHERSON, Kristy | ![]() | +11 | F | +2 | 71 | 74 | 77 | 73 | 295 |
| 17 | FRANCELLA, Meaghan | ![]() | +8 | F | +2 | 73 | 72 | 74 | 73 | 292 |
| 17 | CASTRALE, Nicole | ![]() | +8 | F | +2 | 74 | 71 | 74 | 73 | 292 |
| 17 | GRZEBIEN, Anna | ![]() | +8 | F | +2 | 73 | 77 | 69 | 73 | 292 |
| 13 | AHN, Sun Ju | ![]() | +7 | F | +2 | 75 | 71 | 72 | 73 | 291 |
| 13 | PRESSEL, Morgan | ![]() | +7 | F | +2 | 74 | 75 | 69 | 73 | 291 |
| 9 | PARK, Hee Young | ![]() | +5 | F | +2 | 70 | 74 | 72 | 73 | 289 |
| 65 | FOUCH, Allison | ![]() | +17 | F | +3 | 75 | 75 | 77 | 74 | 301 |
| 61 | LEE, Ji Hee | ![]() | +16 | F | +3 | 77 | 72 | 77 | 74 | 300 |
| 61 | LEE, Meena | ![]() | +16 | F | +3 | 72 | 79 | 75 | 74 | 300 |
| 52 | BLUMENHERST, Amanda | ![]() | +14 | F | +3 | 75 | 76 | 73 | 74 | 298 |
| 40 | KIM, Young | ![]() | +12 | F | +3 | 71 | 75 | 76 | 74 | 296 |
| 40 | MUNOZ, Azahara | ![]() | +12 | F | +3 | 72 | 76 | 74 | 74 | 296 |
| 40 | LANG, Brittany | ![]() | +12 | F | +3 | 75 | 74 | 73 | 74 | 296 |
| 34 | YANG, Amy | ![]() | +11 | F | +3 | 75 | 71 | 75 | 74 | 295 |
| 34 | WEBB, Karrie | ![]() | +11 | F | +3 | 75 | 72 | 74 | 74 | 295 |
| 69 | LEE, Jennie | ![]() | +20 | F | +4 | 75 | 76 | 78 | 75 | 304 |
| 57 | FUDOH, Yuri | ![]() | +15 | F | +4 | 73 | 71 | 80 | 75 | 299 |
| 40 | OH, Ji Young | ![]() | +12 | F | +4 | 76 | 71 | 74 | 75 | 296 |
| 40 | UEDA, Momoko | ![]() | +12 | F | +4 | 72 | 77 | 72 | 75 | 296 |
| 34 | FRIBERG, Louise | ![]() | +11 | F | +4 | 75 | 72 | 73 | 75 | 295 |
| 3 | KERR, Cristie | ![]() | +2 | F | +4 | 69 | 70 | 72 | 75 | 286 |
| 65 | WHITE, Allie | ![]() | +17 | F | +5 | 74 | 73 | 78 | 76 | 301 |
| 61 | MORGAN, Becky | ![]() | +16 | F | +5 | 75 | 76 | 73 | 76 | 300 |
| 52 | CHOI, Hye Jung | ![]() | +14 | F | +5 | 72 | 75 | 75 | 76 | 298 |
| 48 | SEO, Hee-Kyung | ![]() | +13 | F | +5 | 75 | 73 | 73 | 76 | 297 |
| 33 | YOO, Sun Young | ![]() | +10 | F | +5 | 72 | 74 | 72 | 76 | 294 |
| 72 | FERRERO, Lisa | ![]() | +28 | F | +6 | 77 | 74 | 84 | 77 | 312 |
| 48 | URIBE, Maria Jose | ![]() | +13 | F | +6 | 75 | 76 | 69 | 77 | 297 |
| 17 | REYNOLDS, Jean | ![]() | +8 | F | +6 | 69 | 72 | 74 | 77 | 292 |
| 17 | LU, Teresa | ![]() | +8 | F | +6 | 76 | 69 | 70 | 77 | 292 |
| 71 | LLANO, Carolina | ![]() | +23 | F | +8 | 73 | 77 | 78 | 79 | 307 |
| 70 | SCHEPPERLE, Candace | ![]() | +22 | F | +8 | 73 | 78 | 76 | 79 | 306 |
| 52 | SERGAS, Giulia | ![]() | +14 | F | +9 | 75 | 67 | 76 | 80 | 298 |