A new Hotshot from ATP World Tour is here!
Watch highlights from the fourth day of action at the Barclays ATP World Tour Finals. Stan Wawrinka fended off a spirited effort from Marin Cilic to gain an opening victory. Watch live tennis at tennistv.com. Photo: Peter Staples / ATP World Tour
View "Wawrinka Keeps Title Charge In Tact on Day 4 Highlights" on Youtube
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