The US Open begins Monday under an injury cloud with many of the big names not playing. But event goes on and Monday night features the most anticipated match of the first round as World No. 2 Simona Halep takes on 2006 winner Maria Sharapova who returns to Grand Slam tennis after over a year and half.
Sharapova has won all six meetings over the Romanian.
Earlier in the day, Wimbledon champ Garbine Muguruza leads a parade of Grand Slam winners in the afternoon.
Former champion Marin Cilic follows against the aptly-named Tennys Sandgren. The Croat who won in NY in 2014 has played due to injury since the Wimbledon final. He, of course, took Andy Murray’s spot in the draw.
Then 2-time winner Venus Williams meets someone 18 years her junior in Viktoria Kuzmova who wasn’t even born when Venus first played the US Open in 1997. Venus could actually return to No. 1 with a title.
Also on Ashe, 20-year-old phenom Alexander Zverev debuts his powerful game against Darian King of Barbados. Zverev has won 10 of his last 11 but has never made a Slam quarterfinal.
Elsewhere on the grounds, the top American men are on court with John Isner, Sam Querrey, Steven Johnson and Jack Sock all in action.
Two-time Wimbledon champion Petra Kvitova opens play on temporary Armstrong against former finalist and World No. 1 Jelena Jankovic.
Wimbledon semifinalist Jo Konta in on along with Slam runner-ups Caroline Wozniacki and Dominika Cibulkova.
David Ferrer also open plays as do Karen Khachanov, Jo-Wilfried Tsonga, Lucas Pouille and Kevin Anderson who meets feel-good story JC Aragone.
US OPEN MONDAY SCHEDULE
ARTHUR ASHE STADIUM 11:00 AM
Varvara Lepchenko (USA) vs. Garbiñe Muguruza (ESP) 
Tennys Sandgren (USA) vs. Marin Cilic (CRO) 
Viktoria Kuzmova (SVK) vs. Venus Williams (USA) 
2017 US OPEN OPENING CEREMONY
Maria Sharapova (RUS) vs. Simona Halep (ROU) 
Darian King (BAR) vs. Alexander Zverev (GER) 
LOUIS ARMSTRONG STADIUM 11:00 AM
Petra Kvitova (CZE)  vs. Jelena Jankovic (SRB)
Not Before: 1:00 PM
Pierre-Hugues Herbert (FRA) vs. John Isner (USA) 
Sloane Stephens (USA) vs. Roberta Vinci (ITA)
Not Before: 5:00 PM
Jack Sock (USA)  vs. Jordan Thompson (AUS)
GRANDSTAND 11:00 AM
Nicolas Almagro (ESP) vs. Steve Johnson (USA)
Johanna Konta (GBR)  vs. Aleksandra Krunic (SRB)
Sam Querrey (USA)  vs. Gilles Simon (FRA)
Caroline Wozniacki (DEN)  vs. Mihaela Buzarnescu (ROU)
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US Open Monday Schedule