2023 Challenger Biel/Bienne
Date	20–26 March
Edition	3rd
Surface	Hard (indoor)
Location	Biel/Bienne, Switzerland
Champions
Singles
Jurij Rodionov
Doubles
Constantin Frantzen / Hendrik Jebens
← 2022 · Challenger Biel/Bienne · 2024 →

The 2023 Challenger Biel/Bienne was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Biel/Bienne, Switzerland between 20 and 26 March 2023.

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
SUI	Dominic Stricker	126	1
AUT	Jurij Rodionov	131	2
SVK	Norbert Gombos	133	3
GBR	Liam Broady	142	4
FIN	Otto Virtanen	170	5
CZE	Zdeněk Kolář	178	6
SUI	Alexander Ritschard	195	7
CAN	Gabriel Diallo	213	8

• ¹ Rankings are as of 6 March 2023.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Mika Brunold
• Dylan Dietrich
• Jakub Paul

The following player received entry into the singles main draw using a protected ranking:

• Thai-Son Kwiatkowski

The following players received entry from the qualifying draw:

• Marius Copil
• Daniel Cukierman
• Enrico Dalla Valle
• Francesco Forti
• Kirill Kivattsev
• Neil Oberleitner

The following player received entry as a lucky loser:

• Max Hans Rehberg

Champions

Singles

• Jurij Rodionov def. Liam Broady 6–3, 0–0 ret.

Doubles

• Constantin Frantzen / Hendrik Jebens def. Victor Vlad Cornea / Franko Škugor 6–2, 6–4.