Potter-Bobb, 31, who was medalist or co-medalist twice before and won the championship both times (2013 and 2016), was one of six players to finish 36 holes at 1-under 143 or better. She was joined by 2018 semifinalist Michelle Butler, of Columbia, Mo., and Heather Wall, of Lakeland, Fla., both at 2-under 142 and three players – including defending champion Shannon Johnson, of Easton, Mass. – at 1-under 143.
Caryn Wilson, 58, of Rancho Mirage, Calif., who joined Potter-Bobb on Saturday in becoming the third and fourth players to shoot a 68 in stroke play in U.S. Women’s Mid-Am history, bogeyed her last two holes on Sunday in a 3-over 75 to join Johnson and Megan Buck, of Easton, Mass., at 1-under 143. Mallory Hetzel, 32, of Virginia Beach, Va., the women’s golf coach at Old Dominion University, was one of three players at even-par 144, while Chugg and 2009 champion Martha Leach were among a group of five players at 1-over 145.
Lauren Greenlief, 29, of Ashburn, Va., the 2015 champion, shot 2-over 146 in stroke play and earned the No. 17 seed, while four-time champion Meghan Stasi, 41, of Fort Lauderdale, Fla., shot 5-over 149 and is the No. 34 seed. Seven-time USGA champion Ellen Port, 57, of St. Louis, Mo., finished at 6-over 150 and is the No. 38 seed.