| 07.09.19 | fin | Robert Galloway/Nathaniel Lammons | Sander Gille/Joran Vliegen | 7-5, 6-4 |  | match details | New Haven | Difícil |
| 06.09.19 | 1/2 | Robert Galloway/Nathaniel Lammons | Tommy Paul/Peter Polansky | 6-4, 6-4 |  | match details |
| 05.09.19 | 1/4 | Robert Galloway/Nathaniel Lammons | Jimmy Bendeck/Sven Lah | 4-6, 7-5, 10-3 |  | match details |
| 03.09.19 | 1er ronda | Robert Galloway/Nathaniel Lammons | Tim Puetz/John-Patrick Smith | 7-66, 6-3 |  | match details |
| 29.08.19 | 1er ronda | Jamie Murray/Neal Skupski | Robert Galloway/Nathaniel Lammons | 6-3, 6-2 |  | match details | New York | Difícil |
| 15.08.19 | 1/4 | James Cerretani/Jonathan Erlich | Robert Galloway/Nathaniel Lammons | 4-6, 6-3, 10-7 |  | match details | Vancouver Challenger | Difícil |
| 14.08.19 | 1er ronda | Robert Galloway/Nathaniel Lammons | Miguel-Angel Reyes-Varela/Max Jacob Schnur | 6-2, 6-4 |  | match details |
| 06.04.19 | 1/2 | Evan King/Nathan Pasha | Robert Galloway/Nathaniel Lammons | 6-3, 6-4 |  | match details | Monterrey Challenger | Difícil |
| 04.04.19 | 1/4 | Robert Galloway/Nathaniel Lammons | Tennys Sandgren/Jack Withrow | 7-65, 7-65 |  | match details |
| 02.04.19 | 1er ronda | Robert Galloway/Nathaniel Lammons | Andre Goransson/Adil Shamasdin | 6-4, 7-5 |  | match details |
| 14.03.19 | 1er ronda | Guido Andreozzi/Nicolas Jarry | Robert Galloway/Nathaniel Lammons | 6-3, 6-2 |  | match details | Phoenix Challenger | Difícil |
| 26.02.19 | 1er ronda | Alex Bolt/Sem Verbeek | Robert Galloway/Nathaniel Lammons | 4-6, 7-65, 10-6 |  | match details | Indian Wells | Difícil |
| 27.01.19 | fin | Robert Galloway/Nathaniel Lammons | Romain Arneodo/Andrei Vasilevski | 7-5, 7-61 |  | match details | Newport Beach | Difícil |
| 25.01.19 | 1/2 | Robert Galloway/Nathaniel Lammons | Evan King/Hunter Reese | 7-64, 4-6, 10-7 |  | match details |
| 24.01.19 | 1/4 | Robert Galloway/Nathaniel Lammons | Gonzalo Escobar/Roberto Maytin | 7-65, 7-65 |  | match details |
| 23.01.19 | 1er ronda | Robert Galloway/Nathaniel Lammons | Ruben Gonzales/Nathan Pasha | 6-4, 6-2 |  | match details |
| 01.01.19 | 1er ronda | JC Aragone/Alex Lawson | Robert Galloway/Nathaniel Lammons | 6-2, 6-4 |  | match details | Orlando Challenger | Difícil |