Karlovic/Nestor @ ATP Houston MD

Brown/Tiafoe Bryan/Bryan Skupski/Skupski Peralta/Zeballos Begemann/Sancic Sabanov/Sabanov Mirnyi/Oswald Gomez/Gonzalez Anderson/Querrey Gonzalez/Qureshi Golubev/Nedovyesov Mmoh/Tiafoe Nedunchezhiyan/Raja Karlovic/Nestor Gonzalez/Young Kyrgios/Sock Matos/Zormann Lipsky/Sandgren Cerretani/Oswald Dutra Silva/Shamasdin Saville/Smith Gonzalez/Venus Raja/Sharan Chardy/Martin Nedunchezhiyan/Young McDonald/Paul Cabal/Farah Martin/Raja Daniel/Nishioka Harrison/Mclachlan Johnson/Querrey Cuevas/Dellien Duran/Molteni Monroe/Sitak Doumbia/Reboul Hewitt/Thompson Monroe/Smith Fritz/Opelka Gonzalez/Monaco Sock/Withrow Galloway/Lammons Huey/Kudla Arevalo/Cerretani Paes/Sa Kyrgios/Reid Donaldson/Monteiro Andreozzi/Duran Lindstedt/Lipsky Marach/Weissborn Bambridge/O'Mara