 Germany: Karlsruher - Singles - Main |
|---|
| 1/16-finals | Mertens N. | Vilaro A. | 0:2 (4:6, 3:6) | details | 14.08.2018 |
| Germany: Essen - Singles - Main |
|---|
| 1/16-finals | Mertens N. | Mena F. | 0:2 (2:6, 2:6) | details | 01.08.2018 |
| Germany: Wetzlar - Singles - Main |
|---|
| 1/16-finals | Mertens N. | Guinard M. | 1:2 (0:6, 6:4, 4:6) | details | 24.07.2018 |
 Spain: Paguera (Mallorca) - Singles - Main |
|---|
| 1/16-finals | Prihodko O. | Mertens N. | 2:1 (7:63, 4:6, 6:2) | details | 30.01.2018 |
| Spain: Manacor (Mallorca) 2 - Singles - Main |
|---|
| 1/16-finals | Chung Y. | Mertens N. | 2:0 (6:4, 6:3) | details | 23.01.2018 |
| Germany: Wetzlar - Singles - Main |
|---|
| 1/16-finals | Mertens N. | Hassan B. | 1:2 (6:3, 3:6, 2:6) | details | 08.08.2017 |
| Germany: Essen - Singles - Main |
|---|
| 1/16-finals | Mertens N. | Fallert F. | 0:2 (4:6, 1:6) | details | 01.08.2017 |
