LS Kitami moved within one win of securing a spot at the Pyeongchang Winter Olympics in February after taking a 2-1 lead over Chubu Electric Power in a women's curling qualifying playoff on Saturday.
Kitami saw its one-game overnight lead wiped out by the national champions after losing the first of two games 7-5, but hit back to take the next 8-3 at Advics Tokoro Curling Hall.
Both teams are aiming for their first Olympic appearance. The winner of the best-of-five series qualifies for Pyeongchang.
Kitami, runner-up at last year's world championships, went 1-0 up in Game 3 and extended its lead with a three-point steal in the third end, before scoring two points in the fifth and eighth ends.
Game 4 and, if needed, Game 5 will be played Sunday.