| Date: | 19 – 25 October |
| Edition: | 4th |
| Surface: | Carpet |
| Location: | Ismaning, Germany |
| Champs: | Marc-Andrea Hüsler |
| Champd: | Andre Begemann / David Pel |
The 2020 Wolffkran Open was a professional tennis tournament played on carpet courts. It was the fourth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Ismaning, Germany between 19 and 25 October 2020.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Federico Delbonis | 78 | 1 | |
| Yannick Hanfmann | 101 | 2 | ||
 France | Grégoire Barrère | 106 | 3 | |
| France | Antoine Hoang | 130 | 4 | |
 United States | Sebastian Korda | 131 | 5 | |
| Henri Laaksonen | 139 | 6 | ||
 India | Prajnesh Gunneswaran | 149 | 7 | |
 Peru | Juan Pablo Varillas | 150 | 8 |
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 from the qualifying draw:
See main article: 2020 Wolffkran Open – Singles.
See main article: 2020 Wolffkran Open – Doubles.
Lloyd Glasspool / Alex Lawson 5–7, 7–6(7–2), [10–4].