Wawrinka, Isner and the vulnerables
So much of the tennis season is spent prospecting, looking for the upward trends and vulnerabilities that will define the calendar. Sloane Stephens' big win over Serena Williams in Melbourne created expectations, but to this point, she has no more big wins.
It is mid-May, and Roger Federer not only has been beaten twice for the first time in three years by players who have never entered the top 10 (Julian Benneteau and Kei Nishikori), but so far he hasn't even been the best player from ...
Read full story