The 2017 Sibiu Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Sibiu, Romania between 18 and 24 September 2017.
| 2017 Sibiu Open | |
|---|---|
| Date | 18–24 September |
| Edition | 6th |
| Location | Sibiu, Romania |
| Champions | |
| Singles | |
 Cedrik-Marcel Stebe | |
| Doubles | |
 Marco Cecchinato / Matteo Donati | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER
|
Cedrik-Marcel Stebe | 90 | 1 |
 SRB
|
Laslo Đere | 95 | 2 |
| ITA
|
Marco Cecchinato | 99 | 3 |
 ESP
|
Roberto Carballés Baena | 106 | 4 |
| GER
|
Maximilian Marterer | 121 | 5 |
 USA
|
Bjorn Fratangelo | 124 | 6 |
| ITA
|
Stefano Travaglia | 125 | 7 |
 JPN
|
Taro Daniel | 129 | 8 |
- 1 Rankings are as of 11 September 2017.
Other entrants edit
The following players received wildcards into the singles main draw:
Vlad Andrei Dancu
Michał Dembek
Nino Serdarušić- Adrian Ungur
The following players received entry from the qualifying draw:
Matteo Donati
Lenny Hampel
Alexandar Lazov
Alexandre Müller
The following player received entry as a lucky loser:
Champions edit
Singles edit
Cedrik-Marcel Stebe def. 
Carlos Taberner 6–3, 6–3.
Doubles edit
- Marco Cecchinato / Matteo Donati def.
Sander Gillé / Joran Vliegen 6–3, 6–1.
