USA: Champaign - Doubles - Main |
| 1/8-finals | Buchanan C./Rola B. | Kopinski T./Nevolo D. | 1:2 (63:7, 6:3, 7:10) | details | 17.11.2015 |
USA: Charlottesville - Doubles - Main |
| Final | Polansky P./Shamasdin A. | Buchanan C./Sandgren T. | 1:2 (6:3, 4:6, 5:10) | details | 08.11.2015 |
| Semi-finals | O'Hare D./Salisbury J. | Buchanan C./Sandgren T. | 0:2 (1:6, 3:6) | details | 06.11.2015 |
| Quarter-finals | Laaksonen H./Margaroli L. | Buchanan C./Sandgren T. | 0:2 (4:6, 65:7) | details | 05.11.2015 |
| 1/8-finals | Broady L./Evans D. | Buchanan C./Sandgren T. | 0:2 (4:6, 4:6) | details | 04.11.2015 |
Mexico: Monterrey - Doubles - Main |
| 1/8-finals | Kretschmer G./Satschko A. | Buchanan C./Novikov D. | 2:0 (6:3, 7:65) | details | 28.10.2015 |
USA: Las Vegas - Doubles - Main |
| 1/8-finals | Buchanan C./Krueger M. | Bester P./Polansky P. | 1:2 (63:7, 6:0, 3:10) | details | 21.10.2015 |
USA: Tiburon - Doubles - Main |
| 1/8-finals | Novikov D./Peralta J. | Buchanan C./Rola B. | 2:1 (3:6, 6:3, 11:9) | details | 01.10.2015 |
USA: Columbus - Doubles - Main |
| Final | Buchanan C./Rola B. | Krueger M./Quigley E. | 2:1 (6:4, 4:6, 19:17) | details | 26.09.2015 |
| Semi-finals | Halys Q./Milton J. | Buchanan C./Rola B. | 0:2 (4:6, 1:6) | details | 25.09.2015 |
| Quarter-finals | Bester P./Polansky P. | Buchanan C./Rola B. | 0:2 (4:6, 3:6) | details | 24.09.2015 |
| 1/8-finals | Davidson P./Gooch D. | Buchanan C./Rola B. | 0:2 (2:6, 1:6) | details | 22.09.2015 |
USA: Cary - Doubles - Main |
| Final | Krajicek A./Monroe N. | Buchanan C./Rola B. | 1:2 (4:6, 7:65, 4:10) | details | 20.09.2015 |
| Semi-finals | Bester P./Polansky P. | Buchanan C./Rola B. | 0:2 (3:6, 5:7) | details | 19.09.2015 |
| Quarter-finals | Ball C./Reid M. | Buchanan C./Rola B. | 0:2 (62:7, 3:6) | details | 17.09.2015 |
| 1/8-finals | Buchanan C./Rola B. | O'Brien D./Roelofse R. | 2:1 (4:6, 6:3, 10:6) | details | 16.09.2015 |
United Kingdom: Ilkley - Doubles - Main |
| Quarter-finals | Skupski K./Skupski N. | Buchanan C./Rola B. | 2:0 (6:2, 6:4) | details | 18.06.2015 |
| 1/8-finals | Gong M./Sharan D. | Buchanan C./Rola B. | 0:2 (2:6, 3:6) | details | 15.06.2015 |
Italy: Mestre - Doubles - Main |
| 1/8-finals | Berrettini M./Quinzi G. | Buchanan C./Fratangelo B. | 2:1 (6:3, 4:6, 10:7) | details | 02.06.2015 |
Italy: Vicenza - Doubles - Main |
| Quarter-finals | Buchanan C./Fratangelo B. | Donati M./Napolitano S. | 0:2 (3:6, 4:6) | details | 28.05.2015 |
| 1/8-finals | Duran G./Maytin R. | Buchanan C./Fratangelo B. | 1:2 (6:3, 5:7, 11:13) | details | 27.05.2015 |
Colombia: Cali - Doubles - Main |
| Quarter-finals | Arevalo M./Lapentti G. | Buchanan C./Rola B. | 2:0 (6:4, 6:3) | details | 07.05.2015 |
| 1/8-finals | Buchanan C./Rola B. | King K./O'Brien D. | 0:0 RET. (2:3) | details | 06.05.2015 |
Brazil: Sao Paulo - Doubles - Main |
| Final | Buchanan C./Rola B. | Andreozzi G./Galdos S. | 2:0 (6:4, 6:4) | details | 03.05.2015 |
| Semi-finals | Buchanan C./Rola B. | Demoliner M./Reyes-Varela M. A. | 2:0 (6:3, 7:65) | details | 02.05.2015 |
| Quarter-finals | Gonzalez M./Maytin R. | Buchanan C./Rola B. | 0:2 (3:6, 4:6) | details | 30.04.2015 |
| 1/8-finals | Kicker N./Lindell Ch. | Buchanan C./Rola B. | 1:2 (6:4, 2:6, 7:10) | details | 28.04.2015 |
Brazil: Santos Open - Doubles - Main |
| Quarter-finals | Buchanan C./Rola B. | Molteni A./Pella G. | 0:2 (64:7, 4:6) | details | 23.04.2015 |
| 1/8-finals | Hernandez-Fernandez J./Lindell Ch. | Buchanan C./Rola B. | 1:2 (6:3, 4:6, 12:14) | details | 22.04.2015 |