2021 Wolffkran OpenSingles main draw entrants
Seeds
- 1 Rankings are as of 18 October 2021.[1]
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
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:
