20.11.21 | Finale | Nathaniel Lammons/Jack Withrow | Treat Conrad Huey/Max Jacob Schnur | 6-4, 3-6, 10-6 | | detalj meča | Champaign Challenger | dvorana |
19.11.21 | Polufinale | Nathaniel Lammons/Jack Withrow | Ruan Roelofse/Christopher Rungkat | 7-64, 6-74, 10-6 | | detalj meča |
18.11.21 | Četvrtfinale | Nathaniel Lammons/Jack Withrow | Gijs Brouwer/Reese Stalder | 6-4, 7-66 | | detalj meča |
17.11.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Thai Kwiatkowski/Alex Lawson | 6-4, 3-6, 10-6 | | detalj meča |
04.11.21 | Četvrtfinale | William Blumberg/Max Jacob Schnur | Nathaniel Lammons/Jack Withrow | 6-3, 7-66 | | detalj meča | Charlottesville Challenger | dvorana |
03.11.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Christian Harrison/Hunter Reese | 6-4, 6-4 | | detalj meča |
12.03.21 | Polufinale | Sander Arends/David Pel | Nathaniel Lammons/Jack Withrow | 6-1, 7-64 | | detalj meča | Marseille | dvorana |
11.03.21 | Četvrtfinale | Nathaniel Lammons/Jack Withrow | Luke Bambridge/Dominic Inglot | 7-64, 7-65 | | detalj meča |
10.03.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Purav Raja/Tristan-Samuel Weissborn | 6-4, 7-61 | | detalj meča |
06.03.21 | Finale | Nathaniel Lammons/Jack Withrow | Nathan Pasha/Max Jacob Schnur | 6-4, 6-2 | | detalj meča | Nur Sultan | dvorana |
05.03.21 | Polufinale | Nathaniel Lammons/Jack Withrow | Peter Polansky/Brayden Schnur | 0-0, Peter Polansky/Brayden Schnur - odustajanje | | detalj meča |
04.03.21 | Četvrtfinale | Nathaniel Lammons/Jack Withrow | Timofey Skatov/Otto Virtanen | 6-3, 6-2 | | detalj meča |
02.03.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Denis Istomin/Denis Yevseyev | 6-1, 4-6, 10-7 | | detalj meča |
26.02.21 | Polufinale | Jonathan Erlich/Andrei Vasilevski | Nathaniel Lammons/Jack Withrow | 7-68, 6-4 | | detalj meča | Montpellier | dvorana |
25.02.21 | Četvrtfinale | Nathaniel Lammons/Jack Withrow | Marcelo Arevalo/Matwe Middelkoop | 6-4, 7-66 | | detalj meča |
24.02.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Fabrice Martin/Gilles Simon | 6-4, 6-74, 10-6 | | detalj meča |
19.02.21 | Polufinale | Lloyd Glasspool/Harri Heliovaara | Nathaniel Lammons/Jack Withrow | 7-64, 7-66 | | detalj meča | Biella 2 | dvorana |
18.02.21 | Četvrtfinale | Nathaniel Lammons/Jack Withrow | Luis David Martinez/David Vega Hernandez | 7-5, 6-4 | | detalj meča |
16.02.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Kamil Majchrzak/Nathan Pasha | 6-4, 6-4 | | detalj meča |
11.02.21 | Četvrtfinale | Antoine Hoang/Albano Olivetti | Nathaniel Lammons/Jack Withrow | 6-76, 7-63, 10-5 | | detalj meča | Cherbourg Challenger | dvorana |
09.02.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Denis Kudla/Robert Lindstedt | 6-1, 6-2 | | detalj meča |
02.02.21 | 1. kolo | Arthur Cazaux/Hugo Gaston | Nathaniel Lammons/Jack Withrow | 6-3, 6-4 | | detalj meča | Quimper 2 | dvorana |
28.01.21 | Četvrtfinale | Gregoire Barrere/Albano Olivetti | Nathaniel Lammons/Jack Withrow | 4-6, 7-63, 10-6 | | detalj meča | Quimper Challenger | dvorana |
26.01.21 | 1. kolo | Nathaniel Lammons/Jack Withrow | Federico Gaio/Roberto Marcora | 6-2, 6-4 | | detalj meča |
19.01.21 | 1. kolo | Lloyd Glasspool/Harri Heliovaara | Nathaniel Lammons/Jack Withrow | 7-61, 6-4 | | detalj meča | Istanbul Challenger | dvorana |