Champions

2019
Houston
Marcos Giron d. Ivo Karlovic
7-5, 6-7(5), 7-6(9)
Jonathan Erlich/Santiago Gonzalez d. Ariel Behar/Gonzalo Escobar
6-3, 7-6(4)
2019
New Haven
Tommy Paul d. Marcos Giron
6-3, 6-3
Robert Galloway/Nathaniel Lammons d. Sander Gille/Joran Vliegen
6-0, 6-3
2019
Indian Wells
Kyle Edmund d. Andrey Rublev
6-3, 6-2
Marcos Giron/JC Aragone d. Darian King/Hunter Reese
6-4, 6-4
2019
Newport Beach
Taylor Fritz d. Brayden Schnur
7-6(7), 6-4
Roberto Galloway/Nathaniel Lammons d. Romain Arneodo/Andrei Vasilevski
7-5, 7-6(1)
2018
Houston
Bradley Klahn d. Roy Smith
7-6(4), 7-6(4)
Austin Krajicek/Nicholas Monroe d. Marcelo Arévalo/James Cerretani
4-6, 7-6(3), 10-5
2018
Chicago
Denis Istomin d. Reilly Opelka
6-4, 6-2
Luke Bambridge/Neal Skupski d. Leander Paes/Migue Ángel Reyes-Varela
6-3, 6-4
2018
Indian Wells
Martin Klizan d. Darian King
6-3, 6-3
Austin Krajicek/Jackson Withrow d. Evan King/Nathan Pasha
6-7(3), 6-1, 11-9
2018
Newport Beach
Taylor Fritz d. Bradley Klahn
3-6, 7-5, 6-0
James Cerretani/Leander Paes d. Treat Huey/Denis Kudla
6-4, 7-5