Youssef exhibited proper sportsmanship when she called herself for a double - hit on a chip from the edge of a sand trap on the playoff hole .
Youssef rallied from 4 - down to force the playoff with O'Halloran .
Youssef , who rallied from 4 - down to force the playoff with O'Halloran , exhibited proper sportsmanship when she called herself for a double - hit on a chip from the edge of a sand trap on the playoff hole .