These are the lowest 18-hole rounds posted on the LPGA Tour:
59
- Annika Sorenstam, 2001 Standard Register Ping (28-31), Moon Valley Country Club (par 72), Phoenix, Ariz., second round
60
- Paula Creamer, 2008 Jamie Farr Owens Corning Classic (33-27), Highland Meadows Golf Club (par 71), Sylvania, Ohio, first round
- Anna Acker-Macosko, 2004 Longs Drugs Challenge (31-29), The Ridge Golf Course (par 71), Auburn, Calif., fourth round
- Sarah Lee, 2004 Welch's/Fry's Championship (29-31), Dell Urich Golf Course (par 70), Tucson, Ariz., first round
- Meg Mallon, 2003 Welch's/Fry's Championship (30-30), Dell Urich Golf Course (par 70), Tucson, Ariz., second round
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