2021 Wolffkran Open
Date	25 – 31 October
Edition	5th
Surface	Carpet, Indoor
Location	Ismaning, Germany
Champions
Singles
Oscar Otte
Doubles
Andre Begemann / Igor Zelenay
←  2020 · Wolffkran Open ·  2022 →

The 2021 Wolffkran Open was a professional tennis tournament played on carpet courts. It was the fifth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Ismaning, Germany between 25 and 31 October 2021.

Country	Player	Rank1	Seed
AUS	Jordan Thompson	72	1
CZE	Jiří Veselý	77	2
ITA	Andreas Seppi	98	3
GER	Yannick Hanfmann	127	4
GER	Oscar Otte	131	5
CZE	Tomáš Macháč	140	6
USA	Maxime Cressy	143	7
FRA	Quentin Halys	150	8

• ¹ Rankings are as of 18 October 2021. ^[1]

The following players received wildcards into the singles main draw:

• Max Hans Rehberg
• Mats Rosenkranz
• Henri Squire

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

• Yannick Maden

The following players received entry into the singles main draw as alternates:

• Tobias Kamke
• Vitaliy Sachko

The following players received entry from the qualifying draw:

• Matthias Bachinger
• Jonáš Forejtek
• Julian Lenz
• Otto Virtanen

The following player received entry as a lucky loser:

• Hiroki Moriya

• Oscar Otte def. Lukáš Lacko 6–4, 6–4.

• Andre Begemann / Igor Zelenay def. Marek Gengel / Tomáš Macháč 6–2, 6–4.