 USA: Houston - Singles - Main |
|---|
| Quarter-finals | Greif L. | Rapp A. | 0:2 (3:6, 3:6) | details | 21.09.2019 |
| 1/8-finals | Adams H. | Greif L. | 0:2 (3:6, 3:6) | details | 20.09.2019 |
| 1/16-finals | Greif L. | Graziani E. | 2:0 (6:4, 7:5) | details | 19.09.2019 |
| USA: Columbus - Singles - Main |
|---|
| 1/16-finals | Greif L. | Ward A. | 0:2 (1:6, 5:7) | details | 21.11.2017 |
| USA: US Open - Singles - Main |
|---|
| 1/32-finals | Gaston H. | Greif L. | 2:1 (3:6, 6:2, 6:1) | details | 03.09.2017 |
| USA: Champaign 2 - Singles - Main |
|---|
| 1/8-finals | Clark E. | Greif L. | 2:1 (7:63, 5:7, 6:2) | details | 26.07.2017 |
| 1/16-finals | Greif L. | Shane R. | 2:0 (6:3, 6:3) | details | 25.07.2017 |
 United Kingdom: Wimbledon - Singles - Main |
|---|
| 1/32-finals | Greif L. | Added D. | 1:2 (7:5, 5:7, 2:6) | details | 10.07.2017 |
| United Kingdom: Wimbledon - Singles - Qualification |
|---|
| Final | Rai A. | Greif L. | 1:2 (6:4, 3:6, 4:6) | details | 07.07.2017 |
| Semi-finals | Klier Junior G. | Greif L. | 0:2 (66:7, 3:6) | details | 06.07.2017 |
 France: French Open - Singles - Qualification |
|---|
| Final | Skatov T. | Greif L. | 2:1 (3:6, 6:0, 6:2) | details | 02.06.2017 |
| Semi-finals | Reis Da Silva J. | Greif L. | 0:2 (3:6, 1:6) | details | 01.06.2017 |
| USA: Orlando - Singles - Main |
|---|
| 1/16-finals | Greif L. | Chappell N. | 0:2 (2:6, 3:6) | details | 14.02.2017 |
| USA: Weston - Singles - Main |
|---|
| 1/16-finals | Kohen A. | Greif L. | 2:1 (2:6, 6:4, 6:0) | details | 25.01.2017 |
| USA: US Open - Singles - Main |
|---|
| 1/32-finals | Greif L. | De Minaur A. | 0:2 (4:6, 0:6) | details | 04.09.2016 |
