# Challenger de Coblenza 2018

El torneo Koblenz Open 2018 fue un torneo profesional de tenis. Perteneció al ATP Challenger Series 2018. Se disputó en su 2ª edición sobre superficie dura, en Coblenza, Alemania entre el 16 y el 21 de enero de 2018.

## Presentación previa

Ruben Bemelmans era el campeón defensor.

## Cabezas de serie

| Andrey Kuznetsov Marco Cecchinato Sergiy Stakhovsky Oscar Otte | Yannick Maden Kenny De Schepper Andrej Martin Tommy Robredo |

## Cuadro

| Q = Clasificado/a (Qualifier) WC = Invitación (Wild Card) LL = Perdedor/a afortunado/a (Lucky Loser) Alt = Suplente (Alternate) | SE = Exención especial (Special Exempt) PR = Ranking protegido (Protected Ranking) s = Partido suspendido (Suspended) | r = Retirado/a (Retired) w/o = No presentación (Walkover) d = Descalificado/a (Defaulted) |

### Cuadro Final

| Semifinales | Semifinales | Semifinales | Semifinales | Semifinales | Final | Final | Final | Final |
| AL | I. Ivashka | 6 | 5 | 4 |
| 6 | K. De Schepper | 6 | 7 | 6 |
| 6 | K. De Schepper | 6 | 7 | 6 | 6 | K. De Schepper | 2 | 1 |
| | | | | | WC | M. Moraing | 6 | 6 |
| 3 | S. Stakhovsky | 4 | 3 | | WC | M. Moraing | 6 | 6 |
| WC | M. Moraing | 6 | 6 | |

### Cuadro Superior

| Primera ronda | Primera ronda | Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Semifinales | Semifinales | Semifinales | Semifinales | Semifinales |
| 1 | Andrey Kuznetsov | 4 | 6 | 3 |
| AL | Ilia Ivashka | 6 | 4 | 6 |
| AL | Ilia Ivashka | 6 | 4 | 6 | AL | Ilia Ivashka | 6 | 6 | |
| | | | | | Q | Christopher Heyman | 4 | 4 | |
| | Karim-Mohamed Maamoun | 3 | 3 | | Q | Christopher Heyman | 4 | 4 | |
| Q | Christopher Heyman | 6 | 6 | | | | | | |
| Q | Christopher Heyman | 6 | 6 | | | | | | | AL | I. Ivashka | 6 | 6 | |
| | | | | | | | | | | 5 | Y. Maden | 1 | 2 | |
| | Edan Leshem | 3 | 7 | 3 | | | | | | 5 | Y. Maden | 1 | 2 | |
| | Dmitry Popko | 6 | 5 | 6 | | | | | | | | | | |
| | Dmitry Popko | 6 | 5 | 6 | | Dmitry Popko | 5 | 4 | | | | | | |
| | | | | | 5 | Yannick Maden | 7 | 6 | | | | | | |
| | Adam Pavlasek | 6 | 6 | | 5 | Yannick Maden | 7 | 6 | | | | | | |
| 5 | Yannick Maden | 2 | 2 | | | | | | | | | | | |
| 5 | Yannick Maden | 2 | 2 | | | | | | | | | | | | AL | I. Ivashka | 6 | 5 | 4 |
| | | | | | | | | | | | | | | | 6 | K. De Schepper | 3 | 7 | 6 |
| 4 | Oscar Otte | 6$^6$ | 3 | | | | | | | | | | | | 6 | K. De Schepper | 3 | 7 | 6 |
| | Alexey Vatutin | 7$^8$ | 6 | | | | | | | | | | | |
| | Alexey Vatutin | 7$^8$ | 6 | | | Alexey Vatutin | 3 | 6 | 7$^7$ | | | | | |
| | | | | | | Hubert Hurkacz | 6 | 0 | 6$^5$ | | | | | |
| | Hubert Hurkacz | 6 | 6 | | | Hubert Hurkacz | 6 | 0 | 6$^5$ | | | | | |
| | Attila Balazs | 4 | 2 | | | | | | | | | | | |
| | Attila Balazs | 4 | 2 | | | | | | | | A. Vatutin | 6 | 6$^7$ | 1 |
| | | | | | | | | | | 6 | K. De Schepper | 3 | 7$^9$ | 6 |
| | Ernests Gulbis | 4 | 6 | 1 | | | | | | 6 | K. De Schepper | 3 | 7$^9$ | 6 |
| WC | Benjamin Hassan | 6 | 3 | 6 | | | | | |
| WC | Benjamin Hassan | 6 | 3 | 6 | WC | Benjamin Hassan | 7$^7$ | 1 | 4 |
| | | | | | 6 | K. De Schepper | 6$^4$ | 6 | 6 |
| | Teimuraz Gabashvili | 7$^7$ | 1 | 2 | 6 | K. De Schepper | 6$^4$ | 6 | 6 |
| 6 | Kenny De Schepper | 6$^5$ | 6 | 6 |

### Cuadro Inferior

| Primera ronda | Primera ronda | Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Semifinales | Semifinales | Semifinales | Semifinales |
| 8 | T. Robredo | 1 | 7 | 6$^6$ |
| WC | J. Choinski | 6 | 5 | 7$^8$ |
| WC | J. Choinski | 6 | 5 | 7$^8$ | WC | J. Choinski | 3 | 6 | 4 |
| | | | | | | M. Safwat | 6 | 3 | 6 |
| | M. Safwat | 3 | 7 | 6 | | M. Safwat | 6 | 3 | 6 |
| Q | F. Horansky | 6 | 5 | 3 | | | | | |
| Q | F. Horansky | 6 | 5 | 3 | | | | | | | M. Safwat | 2 | 1 |
| | | | | | | | | | | 3 | S. Stakhovsky | 6 | 6 |
| | N. Kuhn | 6 | 6 | | | | | | | 3 | S. Stakhovsky | 6 | 6 |
| Q | M. Ymer | | | | | | | | | | | | |
| Q | M. Ymer | | | | | N. Kuhn | 4 | 3 | | | | | |
| | | | | | 3 | S. Stakhovsky | 6 | 6 | | | | | |
| Q | J. De Loore | 2 | 3 | | 3 | S. Stakhovsky | 6 | 6 | | | | | |
| 3 | S. Stakhovsky | 6 | 6 | | | | | | | | | | |
| 3 | S. Stakhovsky | 6 | 6 | | | | | | | | | | | 3 | S. Stakhovsky | 4 | 3 |
| | | | | | | | | | | | | | | WC | M. Moraing | 6 | 6 |
| 7 | A. Martin | 2 | 4 | | | | | | | | | | | WC | M. Moraing | 6 | 6 |
| | Z. Kolar | 6 | 6 | | | | | | | | | | |
| | Z. Kolar | 6 | 6 | | 5 | Z. Kolar | 2 | 1 | | | | | |
| | | | | | | Y. Uchiyama | 6 | 6 | | | | | |
| | Y. Uchiyama | 6 | 6 | | | Y. Uchiyama | 6 | 6 | | | | | |
| WC | M. Moeller | 3 | 1 | | | | | | | | | | |
| WC | M. Moeller | 3 | 1 | | | | | | | | Y. Uchiyama | 4 | 6$^2$ |
| | | | | | | | | | | WC | M. Moraing | 6 | 6$^7$ |
| | T. Brkic | 7$^7$ | 5 | 2 | | | | | | WC | M. Moraing | 6 | 6$^7$ |
| WC | M. Moraing | 6$^2$ | 7 | 6 | | | | | |
| WC | M. Moraing | 6$^2$ | 7 | 6 | WC | M. Moraing | 4 | 6$^6$' | |
| | | | | | 2 | M. Cecchinato | 4 | 4 | |
| | A. Arnaboldi | 7$^7$ | 4 | 2 | 2 | M. Cecchinato | 4 | 4 | |
| 2 | M. Cecchinato | 6$^2$ | 6 | 6 |