Despite 26 points from Epiphanny Prince, the Mystics edged the top-seeded Liberty in two overtimes, 86-83.
Many had predicted a Sparks upset, but the Lynx held them off, 67-65, behind Maya Moore’s 33 points.
Round two starts tomorrow:
Sky at Fever, 4 p.m. Pacific/7 p.m. Eastern
Mercury at Shock, 6 p.m. Pacific/9 p.m. Eastern
Both games are on LiveAccess and NBATV.