14.11.18 | 1st round | Luke Bambridge/Tennys Sandgren | Ruben Gonzales/Nathaniel Lammons | 7-64, 7-65 | | match details | Houston Challenger | Hard |
24.10.18 | 1/4 | Jason Jung/Mitchell Krueger | Ruben Gonzales/Nathaniel Lammons | 6-3, 7-64 | | match details | Las Vegas | Hard |
22.10.18 | 1st round | Ruben Gonzales/Nathaniel Lammons | Hunter Reese/Jack Withrow | 7-5, 7-5 | | match details |
08.10.18 | 1st round | Harri Heliovaara/Henri Laaksonen | Ruben Gonzales/Nathaniel Lammons | 7-62, 7-62 | | match details | Fairfield Challenger | Hard |
02.10.18 | 1st round | Marc Polmans/Sem Verbeek | Ruben Gonzales/Nathaniel Lammons | 2-6, 6-3, 10-4 | | match details | Stockton Challenger | Hard |
26.09.18 | 1st round | Evan King/Nathan Pasha | Ruben Gonzales/Nathaniel Lammons | 6-4, 2-6, 10-4 | | match details | Tiburon Challenger | Hard |
11.09.18 | 1st round | Peter Polansky/Jack Withrow | Ruben Gonzales/Nathaniel Lammons | 7-5, 6-2 | | match details | Cary Challenger | Hard |
07.09.18 | 1/2 | Leander Paes/Miguel-Angel Reyes-Varela | Ruben Gonzales/Nathaniel Lammons | 6-75, 7-64, 10-5 | | match details | Chicago Challenger | Hard |
06.09.18 | 1/4 | Ruben Gonzales/Nathaniel Lammons | Marcelo Arevalo/Roberto Maytin | 7-63, 6-3 | | match details |
04.09.18 | 1st round | Ruben Gonzales/Nathaniel Lammons | Bjorn Fratangelo/Tommy Paul | 6-3, 7-63 | | match details |
08.08.18 | 1/4 | Nikola Cacic/Lucas Miedler | Ruben Gonzales/Nathaniel Lammons | 6-3, 7-5 | | match details | Portoroz Challenger | Hard |
07.08.18 | 1st round | Ruben Gonzales/Nathaniel Lammons | Altug Celikbilek/Cem Ilkel | 7-5, 6-3 | | match details |
04.07.18 | 1st round | Gonzalo Escobar/Fernando Romboli | Ruben Gonzales/Nathaniel Lammons | 1-6, 6-3, 10-7 | | match details | Recanati Challenger | Hard |