Serena vs. Maria
• Monday's feature match is Serena Williams vs. Maria Sharapova, two tennis superstars coming back from time away — Williams after having a baby; Sharapova after a drug ban.
• It will be their 22nd head-to-head meeting; Williams is 19-2, including 18 victories in a row.
• Williams has won 23 Grand Slam titles, Sharapova five.
