USA: Fairfield - Doubles - Main |
| 1/8-finals | Harris L./O'Brien D. | Galloway R./Maytin R. | 0:2 (5:7, 4:6) | details | 12.10.2018 |
Mexico: Puerto Vallarta - Doubles - Main |
| 1/8-finals | King K./O'Brien D. | Giraldo S./Gomez-Herrera C. | 0:2 (5:7, 4:6) | details | 02.05.2018 |
Australia: Launceston - Doubles - Main |
| 1/8-finals | King K./O'Brien D. | Bolt A./Mousley B. | 1:2 (67:7, 7:61, 9:11) | details | 06.02.2018 |
Australia: Burnie - Doubles - Main |
| 1/8-finals | Purcell M./Whittington A. | King K./O'Brien D. | 2:0 (6:1, 7:65) | details | 30.01.2018 |
Mexico: Morelos - Doubles - Main |
| Final | King K./O'Brien D. | Krajicek A./Withrow J. | 1:2 (7:64, 65:7, 9:11) | details | 25.02.2017 |
| Semi-finals | Gomez A./Patino L. | King K./O'Brien D. | 1:2 (7:67, 4:6, 10:12) | details | 24.02.2017 |
| Quarter-finals | Chaplin J./Thompson J. | King K./O'Brien D. | 0:2 (5:7, 5:7) | details | 22.02.2017 |
| 1/8-finals | King K./O'Brien D. | Martinez L. D./Zampieri C. | 2:0 (6:2, 7:65) | details | 20.02.2017 |
USA: Columbus 2 - Doubles - Main |
| Quarter-finals | Pollanen H./Torpegaard M. | Hach Verdugo H./O'Brien D. | 2:1 (6:4, 4:6, 10:6) | details | 24.11.2016 |
| 1/8-finals | Di Feo H./Joyce M. | Hach Verdugo H./O'Brien D. | 0:2 (1:6, 3:6) | details | 23.11.2016 |
USA: Champaign - Doubles - Main |
| 1/8-finals | Bambridge L./Broady L. | Bangoura S./O'Brien D. | 2:0 (6:2, 6:4) | details | 14.11.2016 |
Colombia: Bogota - Doubles - Main |
| 1/8-finals | Barrientos N./O'Brien D. | Martinez L. D./Romboli F. | 0:2 (4:6, 5:7) | details | 07.11.2016 |
USA: Las Vegas - Doubles - Main |
| 1/8-finals | Bangoura S./King D. | O'Brien D./Roelofse R. | 2:0 (7:5, 6:3) | details | 18.10.2016 |
USA: Fairfield - Doubles - Main |
| Quarter-finals | O'Brien D./Roelofse R. | Bangoura S./Quigley E. | 0:2 (3:6, 3:6) | details | 13.10.2016 |
| 1/8-finals | O'Brien D./Roelofse R. | Farren C./Giron M. | 2:0 (6:2, 7:61) | details | 11.10.2016 |
USA: Stockton - Doubles - Main |
| 1/8-finals | O'Brien D./Roelofse R. | Arevalo M./Klein B. | 0:2 (65:7, 4:6) | details | 05.10.2016 |
Turkey: Izmir - Doubles - Main |
| 1/8-finals | O'Brien D./Roelofse R. | Hanfmann Y./Sieber M. | 0:2 (63:7, 3:6) | details | 19.09.2016 |
Turkey: Istanbul - Doubles - Main |
| Quarter-finals | O'Brien D./Roelofse R. | Doumbia S./Hemery C. | 1:2 (3:6, 6:0, 8:10) | details | 14.09.2016 |
| 1/8-finals | O'Brien D./Roelofse R. | Akkoyun U./Yalcinkale B. | 2:0 (6:1, 6:2) | details | 12.09.2016 |
USA: Aptos - Doubles - Main |
| Quarter-finals | O'Brien D./Roelofse R. | Scholtz N./Vorster T. | 0:2 (4:6, 2:6) | details | 12.08.2016 |
USA: Atlanta - Doubles - Main |
| 1/8-finals | O'Brien D./Roelofse R. | Brunstrom J./Siljestrom A. | 1:2 (6:4, 3:6, 4:10) | details | 03.08.2016 |
USA: Lexington - Doubles - Main |
| Quarter-finals | Nedunchezhiyan J./Ramanathan R. | O'Brien D./Roelofse R. | 2:0 (6:4, 6:2) | details | 29.07.2016 |
| 1/8-finals | Krueger M./McDonald M. | O'Brien D./Roelofse R. | 0:2 (4:6, 4:6) | details | 27.07.2016 |
USA: Binghamton - Doubles - Main |
| 1/8-finals | O'Brien D./Roelofse R. | Halys Q./Kozlov S. | 0:2 (5:7, 1:6) | details | 20.07.2016 |
USA: Newport - Doubles - Main |
| 1/8-finals | Baker B./Ram R. | O'Brien D./Young D. | 2:0 (6:3, 7:5) | details | 12.07.2016 |
USA: Winnetka - Doubles - Main |
| Semi-finals | Bangoura S./O'Hare D. | Golubev A./O'Brien D. | 2:0 (6:2, 7:67) | details | 09.07.2016 |
| Quarter-finals | Fruttero J./Jung J. | Golubev A./O'Brien D. | 0:2 (4:6, 5:7) | details | 08.07.2016 |
| 1/8-finals | Barry S./Krueger M. | Golubev A./O'Brien D. | 1:2 (6:3, 65:7, 8:10) | details | 06.07.2016 |
France: Blois - Doubles - Main |
| Semi-finals | O'Brien D./Roelofse R. | Gong M./Uchiyama Y. | 0:2 (3:6, 2:6) | details | 18.06.2016 |
| Quarter-finals | O'Brien D./Roelofse R. | Glancy D./Griekspoor S. | WO. | details | 17.06.2016 |
| 1/8-finals | O'Brien D./Roelofse R. | Malla B./Nagal S. | 2:0 (6:1, 6:3) | details | 14.06.2016 |
France: Lyon - Doubles - Main |
| 1/8-finals | O'Brien D./Roelofse R. | Chazal M./Teixeira M. | 1:2 (2:6, 6:4, 9:11) | details | 07.06.2016 |
Thailand: Bangkok 3 - Doubles - Main |
| Final | Chen T./Jung J. | O'Brien D./Roelofse R. | 2:1 (6:4, 3:6, 10:8) | details | 21.05.2016 |
| Semi-finals | Peng H./Zhang Z. | O'Brien D./Roelofse R. | 1:2 (4:6, 6:3, 11:13) | details | 19.05.2016 |
| Quarter-finals | Trongcharoenchaikul W./Wachiramanowong K. | O'Brien D./Roelofse R. | 0:2 (2:6, 3:6) | details | 18.05.2016 |
| 1/8-finals | Krueger M./Smith C. | O'Brien D./Roelofse R. | 1:2 (4:6, 6:4, 9:11) | details | 16.05.2016 |
Uzbekistan: Samarkand - Doubles - Main |
| Quarter-finals | Matsukevitch D./Vasilevski A. | O'Brien D./Roelofse R. | 2:0 (6:4, 6:4) | details | 13.05.2016 |
| 1/8-finals | Trinker B./Uchiyama Y. | O'Brien D./Roelofse R. | WO. | details | 12.05.2016 |
Uzbekistan: Karshi - Doubles - Main |
| 1/8-finals | Hsieh C./Yang T. | O'Brien D./Roelofse R. | 2:0 (6:1, 6:2) | details | 03.05.2016 |
USA: Tallahassee - Doubles - Main |
| Semi-finals | Luczak P./Polmans M. | O'Brien D./Young D. | 2:0 (6:3, 7:5) | details | 29.04.2016 |
| Quarter-finals | Phillips M./Ward J. | O'Brien D./Young D. | 1:2 (6:4, 1:6, 14:16) | details | 28.04.2016 |
| 1/8-finals | Dougaz A./Gracia J. E. | O'Brien D./Young D. | 0:2 (1:6, 63:7) | details | 26.04.2016 |
USA: Savannah - Doubles - Main |
| 1/8-finals | Melzer G./Roelofse R. | O'Brien D./Young D. | 2:0 (6:2, 7:5) | details | 19.04.2016 |
USA: Sarasota - Doubles - Main |
| Semi-finals | Arguello F./Kicker N. | O'Brien D./Roelofse R. | 2:1 (6:2, 4:6, 10:6) | details | 16.04.2016 |
| Quarter-finals | O'Brien D./Roelofse R. | Baughman D./Halebian A. | 2:0 (7:5, 6:4) | details | 14.04.2016 |
| 1/8-finals | O'Brien D./Roelofse R. | Polansky P./Zverev M. | 2:1 (6:1, 3:6, 10:8) | details | 13.04.2016 |
Mexico: Leon - Doubles - Main |
| Semi-finals | Gonzalez S./Pavic M. | O'Brien D./Reyes-Varela M. A. | 2:0 (7:65, 6:3) | details | 02.04.2016 |
| Quarter-finals | O'Brien D./Reyes-Varela M. A. | Gonzalez A./Martinez L. D. | 2:0 (6:2, 6:2) | details | 01.04.2016 |
| 1/8-finals | O'Brien D./Reyes-Varela M. A. | Falla A./Krajicek A. | WO. | details | 31.03.2016 |
Mexico: San Luis Potosi - Doubles - Main |
| Quarter-finals | O'Brien D./Reyes-Varela M. A. | Daniell M./Sitak A. | 1:2 (6:4, 66:7, 4:10) | details | 23.03.2016 |