Marcus Harness was on target for Kieran McKenna's side but the Blues were beaten 2-1 by the German second tier outfit.
You can view pictures from the game below...
Arijanet Muric played his first minutes in an Ipswich shirt (Image: Ross Halls)
Ben Johnson in action against Fortuna Dusseldorft (Image: Ross Halls)
George Edmundson on the ball at Portman Road (Image: Ross Halls)
Leif Davis preparing for a throw-in against Fortuna Dusseldorf (Image: Ross Halls)
Jacob Greaves making his first appearance at Portman Road (Image: Ross Halls)
Wes Burns on the ball at Portman Road (Image: Ross Halls)
Sam Morsy battles against Fortuna Dusseldorf (Image: Ross Halls)
Jack Taylor in action against Fortuna Dusseldorf (Image: Ross Halls)
Massimo Lunogo, pictured against Fortuna Dusseldorf (Image: Ross Halls)
Conor Chaplin encouraging his team-mates in the friendly against Fortuna Dusseldorf (Image: Ross Halls)
Liam Delap started up front at Portman Road (Image: Ross Halls)
Marcus Harness in action against Fortuna Dusseldorf (Image: Ross Halls)
Luke Woolfenden, pictured against Fortuna Dusseldorf (Image: Ross Halls)
Elkan Baggott on the ball at Portman Road (Image: Ross Halls)
George Hirst battles for the ball against Fortuna Dusseldorf players (Image: Ross Halls)
Cameron Burgess lunges into a tackle against Fortuna Dusseldorf (Image: Ross Halls)
Freddie Ladapo, pictured against Fortuna Dusseldorf (Image: Ross Halls)
Finley Barbrook in action against Fortuna Dusseldorf (Image: Ross Halls)
Christian Walton applauds Ipswich Town fans after the game against Fortuna Dusseldorf (Image: Ross Halls)
Leon Ayinde, pictured against Fortuna Düsseldorf (Image: Ross Halls)
Kieran McKenna after the friendly against Fortuna Dusseldorf (Image: Ross Halls)
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