Jozef Kovalik 6-0,6-1 Guttau, Niklas 2018-07-21 12:45
Stadium: M1 Round: 64
Home History
| Braunchsweig, Germany | 2018/07/14 13:25 | Jozef Kovalik v Yannick Hanfmann | 2-6,6-3,3-6 |
| Braunchsweig, Germany | 2018/07/13 13:00 | Jozef Kovalik v de Greef, Arthur | 6-2,6-3 |
| Braunchsweig, Germany | 2018/07/12 10:00 | Cuevas, Pablo v Jozef Kovalik | 6-7,3-6 |
| Braunchsweig, Germany | 2018/07/11 09:00 | Daniel Masur v Jozef Kovalik | 2-6,2-6 |
| Braunchsweig, Germany | 2018/07/10 09:00 | Quiroz, Roberto v Jozef Kovalik | 1-6,0-6 |
| Wimbledon Qual | 2018/06/25 12:35 | Jozef Kovalik v Melzer, Jurgen | 3-6,7-6,2-6 |
| Challenger Poprad Tatry | 2018/06/23 12:30 | Jozef Kovalik v de Greef, Arthur | 6-4,6-0 |
| Challenger Poprad Tatry | 2018/06/22 13:15 | Zdenek Kolar v Jozef Kovalik | 1-6,2-6 |
Away History
| ITF Germany F8 Qual | 2018/07/16 10:30 | Seibert, Tim v Guttau, Niklas | 6-7,7-6,6-2 |
| ITF Germany F8 Qual | 2018/07/15 12:30 | Sudzum, Marcel Marlon v Guttau, Niklas | 4-6,0-6 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Marlon Vankan v Guttau, Niklas | 1-6,2-6 |
| Challenger Braunschweig Qual | 2018/07/07 09:30 | Kimmer Coppejans v Guttau, Niklas | 6-3,6-1 |
| ITF Germany F4 | 2018/06/19 10:45 | Gonzalez, Wilfredo v Guttau, Niklas | 6-3,7-6 |
| Turkey F15, Singles Qualifying | 2018/04/14 07:30 | Guttau, Niklas v Louroi Martinez | 1-6,6-2,0-6 |
| Turkey F14, Singles Qualifying | 2018/04/07 11:00 | Guttau, Niklas v Hellfritsch, Lucas | 4-6,3-6 |
| ITF Turkey F13 | 2018/03/31 11:00 | Felipe Meligeni Rodrigues Alves v Guttau, Niklas | 6-3,6-1 |