| Group: | ITF World Tennis Tour (Men) |
| Dates: | to |
| Week: | 13 |
| Category: | M25 |
| Country: | SUI |
| Prize money: | $25,000 |
| Court surface: | Hard - Indoor |
| Entry list: | https://www.itftennis.com/en/tournament/m25-biel/sui/2021/m-itf-sui-03a-2021/acceptance-list/ |
| Results: | https://www.itftennis.com/en/tournament/m25-biel/sui/2021/m-itf-sui-03a-2021/draws-and-results/ |