| 2017 Koblenz Open | |
|---|---|
| Date | 17–22 January |
| Edition | 1st |
| Surface | Hard (indoor) |
| Location | Koblenz, Germany |
| Champions | |
| Singles | |
 Ruben Bemelmans | |
| Doubles | |
 Hans Podlipnik /  Andrei Vasilevski | |
The 2017 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Koblenz, Germany between 17 and 22 January 2017.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 CZE | Lukáš Rosol | 113 | 1 |
 ARG | Guido Andreozzi | 115 | 2 |
 GER | |||
 ITA | Alessandro Giannessi | 124 | 4 |
 ROU | Marius Copil | 127 | 5 |
 RUS | Teymuraz Gabashvili | 140 | 6 |
| ARG | Marco Trungelliti | 150 | 7 |
 SLO | Grega Žemlja | 152 | 8 |
The following players received wildcards into the singles main draw:
Florian Broska Jan Choinski Benjamin Hassan Daniel Masur The following player received entry into the singles main draw with a protected ranking:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following players received entry into the singles main draw as lucky losers:
Ruben Bemelmans def. Nils Langer 6–4, 3–6, 7–6(7–0). Hans Podlipnik / Andrei Vasilevski def. Roman Jebavý / Lukáš Rosol 7–5, 3–6, [16–14].
