USA leads CROATIA 2-0
Venue: Tualatin Hills Tennis Center, Portland, USA (hard - outdoor)
Jack Sock (USA) d. Marin Cilic (CRO) 46 36 63 64 64
John Isner (USA) d. Borna Coric (CRO) 64 64 63
Bob Bryan/Mike Bryan (USA) v Ivan Dodig/Marin Draganja (CRO)
John Isner (USA) v Marin Cilic (CRO)
Jack Sock (USA) v Borna Coric (CRO)
Sock 输二赢三大逆转打败Cilic，Isner dominated Coric。
美国队拿下头两点单打，距离晋级只差一步！