Serena Williams beats Belinda Bencic 6-4, 6-3 in Australian Open First Round

--American world No2 beats Bencic 6-4, 6-3 at Melbourne Park--Serena Williams Advances to second in Australian Open Serena Williams launched her bid for a 23rd Grand Slam title with a 6-4, 6-3 win over Belinda Bencic at the Australian Open, swatting aside doubts over her fitness and motivation on a sweltering day at Melbourne Park.The 35-year-old American came into the tie with two matches