 USA: Little Rock - Singles - Main |
|---|
| 1/16-finals | Nguyen D. | Gray W. | 2:0 (6:2, 6:4) | details | 17.04.2013 |
| USA: Oklahoma City - Singles - Main |
|---|
| 1/16-finals | Gray W. | Kryvonos N. | 0:2 (5:7, 4:6) | details | 09.04.2013 |
 Spain: Badalona - Singles - Main |
|---|
| Quarter-finals | Carreno-Busta P. | Gray W. | 2:0 (6:1, 6:4) | details | 15.03.2013 |
| 1/8-finals | Martos Gornes S. | Gray W. | 1:2 (7:6, 1:6, 4:6) | details | 14.03.2013 |
| 1/16-finals | Bessire F. | Gray W. | 0:2 (5:7, 3:6) | details | 12.03.2013 |
| Spain: Reus - Singles - Main |
|---|
| 1/16-finals | Gray W. | Martos Gornes S. | 1:2 (3:6, 7:6, 3:6) | details | 05.03.2013 |
 Mexico: Tehuacan - Singles - Main |
|---|
| 1/16-finals | Gray W. | Letcher C. | 0:2 (2:6, 2:6) | details | 12.02.2013 |
| Mexico: Mexico City - Singles - Main |
|---|
| 1/16-finals | Kasyanov K. | Gray W. | 2:0 (6:1, 6:2) | details | 05.02.2013 |
| USA: Godfrey - Singles - Main |
|---|
| 1/16-finals | Racz C. | Gray W. | 2:0 (6:4, 7:5) | details | 24.07.2012 |
| USA: Joplin - Singles - Main |
|---|
| 1/16-finals | Gray W. | Austin G. | 0:2 (3:6, 1:6) | details | 18.07.2012 |
| Mexico: Puebla - Singles - Main |
|---|
| 1/8-finals | Gray W. | Diaz-Figueroa C. | 0:2 (5:7, 4:6) | details | 23.05.2012 |
| 1/16-finals | Davidian R. | Gray W. | 0:2 (2:6, 0:6) | details | 21.05.2012 |
| Mexico: Morelia - Singles - Main |
|---|
| 1/8-finals | Gray W. | Diaz-Figueroa C. | 0:2 (3:6, 3:6) | details | 17.05.2012 |
| 1/16-finals | Gray W. | Jauregui Sainz De Rozas R. | 2:0 (6:2, 6:1) | details | 15.05.2012 |
 Panama: Panama City - Singles - Main |
|---|
| 1/16-finals | Gray W. | Gorham N. | 0:1 RET. (66:7) | details | 13.02.2012 |
| Mexico: Guadalajara - Singles - Main |
|---|
| Semi-finals | Gray W. | Ramirez C. | 0:2 (0:6, 3:6) | details | 17.12.2011 |
| Quarter-finals | Gray W. | Oostdam R. | 2:0 (7:5, 6:2) | details | 16.12.2011 |
| 1/8-finals | Rodriguez B. | Gray W. | 1:2 (4:6, 6:1, 3:6) | details | 15.12.2011 |
| 1/16-finals | Gray W. | Nunez A. A. | 2:0 (6:4, 6:2) | details | 13.12.2011 |
