Stadium: Court 13 Round: 25
| ITF Portugal F16 | 2018/08/20 09:00 | Nicolas Alvarez Varona v Eduardo Ribeiro | 6-3,7-5 |
| ITF Portugal F16 | 2018/08/19 11:30 | Nicolas Alvarez Varona v Morais, Eduardo | 6-1,6-1 |
| ITF Portugal F16 | 2018/08/18 08:30 | Nicolas Alvarez Varona v Stoliar, Illia | 6-1,6-1 |
| Challenger Segovia Qual | 2018/07/30 10:30 | Jankovits, Yannick v Nicolas Alvarez Varona | 7-6,6-1 |
| Challenger Segovia Qual | 2018/07/29 09:00 | Nicolas Alvarez Varona v Viktor Durasovic | 6-3,7-6 |
| Challenger Segovia Qual | 2018/07/28 11:00 | Hidalgo, Diego v Nicolas Alvarez Varona | 3-6,4-6 |
| ITF Spain F12 | 2018/05/24 09:00 | Nicolas Alvarez Varona v Martos Gornes, Sergio | 4-6,6-7 |
| ITF Spain F12 | 2018/05/23 10:40 | Nicolas Alvarez Varona v Mas de Ugarte, Jordi | 6-2,6-2 |
| ITF Germany F12 | 2018/08/16 13:10 | Aleksandre Metreveli v Kern, Robin | 7-5,7-5 |
| ITF Germany F12 | 2018/08/14 15:00 | Moritz Hoffmann v Kern, Robin | 2-6,3-6 |
| Challenger Blois Qual | 2018/06/16 12:15 | Vega Hernandez, David v Kern, Robin | 3-6,6-1,6-4 |
| Shymkent, Kazakhstan, Qualifying | 2018/06/02 04:00 | Kern, Robin v Sekiguchi, Shuichi | 4-6,2-6 |
| Challenger Loughborough Qual | 2018/05/20 13:25 | Kern, Robin v Andrea Vavassori | 1-6,2-6 |
| Challenger Loughborough Qual | 2018/05/19 15:50 | Kern, Robin v Jack Draper | 6-4,6-4 |
| Challenger - Glasgow | 2018/05/03 13:30 | Guez, David v Kern, Robin | 4-6,7-6,6-4 |
| Challenger - Glasgow | 2018/05/02 10:30 | Bega, Alessandro v Kern, Robin | 1-6,3-6 |