| 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 | |
The 2023 FlowBank Biel/Bienne Challenger was a professional tennis tournament played on indoor hardcourts. 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. [1] [2]
| 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 |
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:
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:
Jurij Rodionov def. Liam Broady 6–3, 0–0 ret. Constantin Frantzen / Hendrik Jebens def. Victor Vlad Cornea / 
Franko Škugor 6–2, 6–4.