 MELBOURNE, Jan 24 Reuters Wimbledon champion Elena Rybakina became the first player into the Australian Open semi-finals after outmuscling Jelena Ostapenko 6-2 6-4 in a one-sided contest on Rod Laver Arena on Tuesday. The Russian-born Kazakh looked sharp from the start and only a 25-minute delay to close the stadium roof against a passing ... Tennis-Ruthless Rybakina rolls into Australian Open semi-finals... 