Japan striker Takashi Usami celebrated the birth of his first child with a brace, his first goals since September, and sent holders Gamba Osaka to the Emperor's Cup semifinals with a 3-1 win over Sagan Tosu on Saturday.

Usami, whose daughter was born on Christmas Eve, scored in each half of Gamba's last match at Expo '70 Stadium as they move into neighboring Suita Stadium next season.

Usami struck for the first time since Sept. 26, a drought of 15 games across all competitions.