2019 Sibiu Open

The 2019 Sibiu Open was a professional tennis tournament played on clay courts. It was the eighth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Sibiu, Romania between 16 and 22 September 2019.

Seeds

 * 1 Rankings are as of 9 September 2019.

Other entrants
The following players received wildcards into the singles main draw:
 * Adrian Bodmer
 * 🇷🇴 Victor Vlad Cornea
 * 🇵🇱 Michał Dembek
 * 🇷🇴 Alexandru Jecan
 * 🇷🇴 Filip Cristian Jianu

The following players received entry into the singles main draw as alternates:
 * 🇨🇿 Pavel Nejedlý
 * 🇨🇿 Petr Nouza
 * 🇫🇷 Fabien Reboul

The following players received entry from the qualifying draw:
 * 🇨🇿 Jaroslav Pospíšil
 * Matej Sabanov

The following player received entry as a lucky loser:
 * 🇪🇸 Sergio Martos Gornés

Singles

 * 🇷🇸 Danilo Petrović def. 🇦🇺 Christopher O'Connell 6–4, 6–2.

Doubles

 * 🇫🇷 Sadio Doumbia / 🇫🇷 Fabien Reboul def. Ivan Sabanov /  Matej Sabanov 6–4, 3–6, [10–7].