The Tui Golf Championship Fleesensee was a men's senior (over 50) professional golf tournament on the European Seniors Tour, held on the Schloss course at the Golfclub Fleesensee near Fleesensee, Göhren-Lebbin, Mecklenburg-Vorpommern in north-east Germany.

It was held just once, in September 2000, and was won by Jeff Van Wagenen who finished a shot ahead of Tommy Horton and Noel Ratcliffe.

[1] The total prize fund was €200,000 with the winner receiving €32,750.