| 2021 Challenger Biel/Bienne | ||||
|---|---|---|---|---|
| Date | 20–26 September | |||
| Edition | 1st | |||
| Surface | Hard (Indoor) | |||
| Location | Biel/Bienne, Switzerland | |||
| Champions | ||||
| Singles | ||||
 Liam Broady | ||||
| Doubles | ||||
 Ruben Bemelmans /  Daniel Masur | ||||
| ||||
The 2021 Challenger Biel/Bienne was a professional tennis tournament played on indoor hard courts. It was the 1st edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biel/Bienne, Switzerland between 20 and 26 September 2021.
Singles main-draw entrants
Seeds
| Country | Player | Rank | Seed |
|---|---|---|---|
 FRA |
|||
 SUI
|
Henri Laaksonen | 119 | 2 |
 AUT
|
Dennis Novak | 121 | 3 |
 CZE
|
Tomáš Macháč | 143 | 4 |
| GBR
|
Liam Broady | 145 | 5 |
 POR
|
João Sousa | 150 | 6 |
| SUI
|
Marc-Andrea Hüsler | 160 | 7 |
 TUR
|
Cem İlkel | 176 | 8 |
- Rankings are as of 13 September 2021.
Other entrants
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Champions
Singles
Main article: 2021 Challenger Biel/Bienne – Singles- Liam Broady def. Marc-Andrea Hüsler 7–5, 6–3.
Doubles
Main article: 2021 Challenger Biel/Bienne – Doubles- Ruben Bemelmans / Daniel Masur def. Marc-Andrea Hüsler / Dominic Stricker Walkover.
References
- "Rankings | Singles | ATP Tour | Tennis". ATP Tour.