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.

2023 Sibiu Open
Date	18 – 24 September
Edition	12th
Location	Sibiu, Romania
Champions
Singles
Nerman Fatić
Doubles
Andrew Paulson / Michael Vrbenský

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
HUN	Zsombor Piros	111	1
ITA	Flavio Cobolli	132	2
BIH	Damir Džumhur	157	3
	Ivan Gakhov	161	4
ITA	Stefano Travaglia	205	5
CRO	Duje Ajduković	206	6
ITA	Alessandro Giannessi	214	7
BIH	Nerman Fatić	218	8

• ¹ Rankings are as of 11 September 2023.

Other entrants

The following players received wildcards into the singles main draw:

• Bor Artnak
• Cezar Crețu
• Sebastian Gima

The following players received entry from the qualifying draw:

• Vlad Andrei Dancu
• Calvin Hemery
• Filip Cristian Jianu
• Henri Laaksonen
• Andrew Paulson
• Michael Vrbenský

Champions

Singles

Main article: 2023 Sibiu Open – Singles

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

Doubles

Main article: 2023 Sibiu Open – Doubles

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