| ||||||||||||||
| US Open | ||
| Surface: Hard | Date: Aug. 25 - Sep. 8 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Grigor Dimitrov | Loss | 2-6, 6-7 (4-7), 2-6 |
| Winston-Salem Open | ||
| Surface: Hard | Date: Aug. 17 - Aug. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Jan-Lennard Struff | Win | 6-4, 6-2 |
| Second Round | Lukas Rosol | Loss | 6-3, 1-2 Retired |
| BB&T Atlanta Open | ||
| Surface: Hard | Date: Jul. 21 - Jul. 27 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Tim Smyczek | Loss | 0-6, 2-6 |
| Hall of Fame Tennis Championships | ||
| Surface: Grass | Date: Jul. 7 - Jul. 13 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Lleyton Hewitt | Loss | 6-1, 5-7, 4-6 |
| Wimbledon | ||
| Surface: Grass | Date: Jun. 23 - Jul. 6 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Grigor Dimitrov | Loss | 6-7 (1-7), 3-6, 2-6 |
| Fayez Sarofim & Co. US Men's Clay Court Championship | ||
| Surface: Clay | Date: Apr. 7 - Apr. 13 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Donald Young | Loss | 0-6, 1-6 |
| Sony Open Tennis | ||
| Surface: Hard | Date: Mar. 18 - Mar. 30 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Federico Delbonis | Win | 6-2, 6-4 |
| Second Round | Benjamin Becker | Loss | 5-7, 6-3, 6-7 (2-7) |
| BNP Paribas Open | ||
| Surface: Hard | Date: Mar. 5 - Mar. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Andrey Golubev | Win | 6-4, 7-5 |
| Second Round | Fabio Fognini | Loss | 7-5, 1-6, 4-6 |
| Delray Beach Open by The Venetian Las Vegas | ||
| Surface: Hard | Date: Feb. 17 - Feb. 23 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Yen-Hsun Lu | Win | 4-6, 1-0 Retired |
| Second Round | Marin Cilic | Loss | 3-6, 4-6 |
| U.S. National Indoor Tennis Championships | ||
| Surface: Hard | Date: Feb. 10 - Feb. 16 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Bjorn Phau | Win | 6-3, 6-4 |
| Second Round | Alex Bogomolov Jr. | Loss | 3-6, 6-2, 2-6 |
| Australian Open | ||
| Surface: Hard | Date: Jan. 13 - Jan. 26 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Gael Monfils | Loss | 4-6, 4-6, 4-6 |
| Apia International Sydney | ||
| Surface: Hard | Date: Jan. 5 - Jan. 11 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Nicolas Mahut | Loss | 6-7 (2-7), 5-7 |
| Brisbane International presented by Suncorp | ||
| Surface: Hard | Date: Dec. 29 - Jan. 5 | Seed: None |
| Round | Opponent | W / L | Result |
| First Round | Samuel Groth | Loss | 6-7 (3-7), 6-7 (2-7) |
© 2015 by STATS LLC.Any commercial use or distribution without the express written consent of STATS LLC is strictly prohibited.