Serena Williams is the most prolific grand slam winner of the open era after claiming her 23rd major singles title with a 6-4, 6-4 victory against her sister Venus here in Melbourne on Saturday. The triumph also made Serena a seven-times winner of the Australian Open, while Venus had to be content with offering a reminder that her own greatness remains very much in the present tense.

Grand Slam　 【テニス】４大大会
win one's _th title　 ＿度目の優勝を果たす
older sister　 姉妹