Nothing seems to go right for Serena Williams of late, especially in the Grand Slam tournaments.
Serena had withdrawn in Brisbane prior to the Australian Open because of a left ankle sprain. The injury might have played its part in Serena's performance here also.
It was her worst performance in recent history—a straight-set defeat at the hands of an opponent that she would have gotten past very easily in her hey-day.
Her antics in the last Grand Slam (US Open) final had given her fans a bad taste and this early exit will no doubt dampen them once more.
If she can motivate herself enough to compete again in the next Slams, she will continue to be a strong contender, even for the year-end No.1 ranking.
Let us look at six other players who punched much above their weight in the women's singles in the Australian Open.