US
The American withstood a barrage from the seventh seed to prevail 6-4, 2-6, 6-4 in two hours and nine minutes
The New Zealand tournament is used by the top players on both the WTA and ATP tours
The return of fans will mark a big change for Melbourne, expected to allow fans to fill up to 50% of seats
Seven-times Grand Slam champion also participated in the ongoing World TeamTennis event in West Virginia
38-year-old said she plans to enter the next scheduled Grand Slam tournament -- the US Open