2023 Sibiu Open


The 2023 Sibiu Open was a professional tennis tournament played on clay courts. It was the 12th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Sibiu, Romania between 18 and 24 September 2023.

Singles main-draw entrants

Seeds

1 Rankings are as of 11 September 2023.

Other entrants

The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:

Champions

Singles

Nerman Fatić def. Damir Džumhur 6–2, 6–4.

Doubles

Andrew Paulson / Michael Vrbenský def. Piotr Matuszewski / Kai Wehnelt 6–2, 6–2.