Serena Williams struggled to beat Sara Errani during Fed Cup clash . World No 1 Williams eventually defeated Errani 4-3 7-3 ( 6 ) 3-6 . Williams lost doubles match alongside Alison Riske 3-0 3-6 .
Serena Williams struggled to beat Sara Errani during Fed Cup clash . World No 1 Williams eventually defeated Errani 4-6 7-6 ( 3 ) 6-3 . Williams lost doubles match alongside Alison Riske 6-0 6-3 .