First Name/Last Name Country Rank*
John Isner USA 19
Milos Raonic CAN 31
Reilly Opelka USA 36
Cameron Norrie GBR 53
Ugo Humbert FRA 57
Miomir Kecmanovic SRB 59
Jordan Thompson AUS 63
Tennys Sandgren USA 68
Kyle Edmund GBR 69
Andreas Seppi ITA 72
Yoshihito Nishioka JPN 73
Yasutaka Uchiyama JPN 81
Steve Johnson USA 85
Soonwoo Kwon KOR 88
Tommy Paul USA 90
Kevin Anderson RSA 91
Brayden Schnur (Wild card) CAN 106
Brian Shi (College wild card – Harvard) USA
*Rank as of Jan. 7, 2020
Daniell, Marcus (NZL) + Oswald, Philipp (AUT)
Bambridge, Luke (GBR) + McLachlan, Ben (JPN)
Gonzalez, Santiago (MEX) + Skupski, Ken (GBR)
Monroe, Nicholas (USA) + Sock, Jack (USA)
Inglot, Dominic (GBR) + Qureshi, Aisam-Ul-Haq (PAK)
Johnson, Steve (USA) + Opelka, Reilly (USA)
Sharan, Divij (IND) + Sitak, Artem (NZL)
Jebavy, Roman (CZE) + Zelenay, Igor (SVK)
Arevalo, Marcelo (ESA) + O’Mara, Jonny (GBR)