| 12.11.12 | 1er ronda | John Peers/John-Patrick Smith | Stephen Hoh/Brian Page | 6-3, 3-6, 10-2 |  | match details |  Champaign Challenger | I. difícil |
| 12.11.12 | 1/4 | Bradley Klahn/Denis Kudla | John Peers/John-Patrick Smith | 3-6, 6-3, 10-8 |  | match details |
| 05.11.12 | 1er ronda | Alex Kuznetsov/Mischa Zverev | John Peers/John-Patrick Smith | 6-3, 6-0 | | match details | Knoxville Challenger | I. difícil |
| 29.10.12 | fin | John Peers/John-Patrick Smith | Jarmere Jenkins/Jack Sock | 7-5, 6-1 | | match details | Charlottesville Challenger | I. difícil |
| 29.10.12 | 1er ronda | John Peers/John-Patrick Smith | Tennys Sandgren/Rhyne Williams | 5-7, 7-65, 10-2 | | match details |
| 29.10.12 | 1/4 | John Peers/John-Patrick Smith | Tim Smyczek/Ryan Sweeting | 6-3, 6-4 | | match details |
| 29.10.12 | 1/2 | John Peers/John-Patrick Smith | Denis Kudla/Jesse Levine | 6-3, 6-3 | | match details |
| 15.10.12 | 1/2 | Frederico Gil/Pedro Sousa | John Peers/John-Patrick Smith | 6-4, 6-4 | | match details |  Rio De | Arcilla |
| 15.10.12 | 1er ronda | John Peers/John-Patrick Smith | Thiago Alves/Fabiano De Paula | 6-0, 6-74, 10-8 | | match details |
| 15.10.12 | 1/4 | John Peers/John-Patrick Smith | Guido Pella/Alexander Satschko | 6-3, 7-5 | | match details |
| 08.10.12 | 1er ronda | John Peers/John-Patrick Smith | Goran Tosic/Dennis Zivkovic | 6-2, 6-1 | | match details |  San Juan | Arcilla |
| 08.10.12 | 1/4 | John Peers/John-Patrick Smith | Facundo Bagnis/Guido Pella | 4-6, 6-3, 10-8 | | match details |
| 08.10.12 | 1/2 | Martin Alund/Horacio Zeballos | John Peers/John-Patrick Smith | 2-6, 6-3, 10-7 | | match details |
| 01.10.12 | 1/4 | John Peers/John-Patrick Smith | Marcus Daniell/Vahid Mirzadeh | 6-1, 6-1 | | match details | Belem Challenger | Difícil |
| 01.10.12 | 1/2 | John Peers/John-Patrick Smith | Rogerio Dutra Da Silva/Marcel Felder | 7-63, 7-5 | | match details |
| 01.10.12 | fin | John Peers/John-Patrick Smith | Nicholas Monroe/Simon Stadler | 6-3, 6-2 | | match details |
| 01.10.12 | 1er ronda | John Peers/John-Patrick Smith | Marcos Vinicius Da Silva Dias/Alexandre Tsuchiya | 6-1, 6-1 | | match details |
| 30.07.12 | 1/4 | John Peers/John-Patrick Smith | Nicholas Monroe/Jack Sock | 6-2, 6-3 | | match details |  Vancouver Challenger | Difícil |
| 30.07.12 | 1/2 | John Peers/John-Patrick Smith | Devin Britton/Austin Krajicek | 3-6, 6-3, 10-5 | | match details |
| 30.07.12 | fin | Maxime Authom/Ruben Bemelmans | John Peers/John-Patrick Smith | 6-4, 6-2 | | match details |
| 30.07.12 | 1er ronda | John Peers/John-Patrick Smith | Alex Kuznetsov/Peter Polansky | 6-3, 7-5 | | match details |
| 02.07.12 | fin | Devin Britton/Jeff Dadamo | John Peers/John-Patrick Smith | 1-6, 6-2, 10-6 | | match details | Winnetka Challenger | Difícil |
| 02.07.12 | 1/4 | John Peers/John-Patrick Smith | Roman Borvanov/Laurynas Grigelis | 6-2, 6-1 | | match details |
| 02.07.12 | 1/2 | John Peers/John-Patrick Smith | Mitchell Frank/Bradley Klahn | Mitchell Frank/Bradley Klahn - walk over | | match details |
| 02.07.12 | 1er ronda | John Peers/John-Patrick Smith | Carsten Ball/Matt Reid | Carsten Ball/Matt Reid - walk over | | match details |
| 09.04.12 | 1/2 | John Peers/John-Patrick Smith | Pierre-Hugues Herbert/Albano Olivetti | 6-2, 6-4 | | match details |  Leon Challenger | Difícil |
| 09.04.12 | fin | John Peers/John-Patrick Smith | Cesar Ramirez/Bruno Rodriguez | 6-3, 6-3 | | match details |
| 09.04.12 | 1er ronda | John Peers/John-Patrick Smith | Riccardo Ghedin/Fabrice Martin | 6-4, 6-4 | | match details |
| 09.04.12 | 1/4 | John Peers/John-Patrick Smith | Andre Begemann/Jordan Kerr | 6-3, 6-4 | | match details |
| 02.04.12 | 1er ronda | John Peers/John-Patrick Smith | Sekou Bangoura/Daniel Kosakowski | 6-3, 6-4 | | match details | Tallahassee Challenger | Difícil |
| 02.04.12 | 1/4 | Martin Emmrich/Andreas Siljestrom | John Peers/John-Patrick Smith | 7-64, 3-6, 10-8 | | match details |
| 06.02.12 | fin | John Peers/John-Patrick Smith | John-Paul Fruttero/Raven Klaasen | 7-65, 6-4 | | match details |  Caloundra Challenger | Difícil |
| 06.02.12 | 1er ronda | John Peers/John-Patrick Smith | Adam Feeney/Samuel Groth | 6-3, 7-5 | | match details |
| 06.02.12 | 1/4 | John Peers/John-Patrick Smith | Cheng-Peng Hsieh/Hsin-Han Lee | 6-2, 6-3 | | match details |
| 06.02.12 | 1/2 | John Peers/John-Patrick Smith | James Lemke/Dane Propoggia | 6-3, 6-2 | | match details |
| 30.01.12 | 1/4 | John Peers/John-Patrick Smith | Samuel Groth/Greg Jones | 7-66, 4-6, 10-5 | | match details | Burnie Challenger | Difícil |
| 30.01.12 | 1/2 | John Peers/John-Patrick Smith | Sebastian Rieschick/Danai Udomchoke | 6-0, 6-3 | | match details |
| 30.01.12 | fin | John Peers/John-Patrick Smith | Divij Sharan/Vishnu Vardhan | 6-2, 6-4 | | match details |
| 30.01.12 | 1er ronda | John Peers/John-Patrick Smith | James Lemke/Dane Propoggia | 6-4, 6-1 | | match details |
