The Magdeburg based boxing world champion Robert Stieglitz (39-2, 23 KOs) is looking for the biggest challenge so far. "I want to fight against the best of the best. It is a decision of who is on top of the world. There is only one champion“, the WBO champion states refererring to his next fight. On April 9 the SES fighter will face the current WBA world champion Dimitri Sartison (27-1, 17 KOs) at the Bördelandhalle Magdeburg. Sartison claimed his title in the same year as Stieglitz. Sartison defeated Stjepan Bozic for the WBA championship on November 21 2009 and has since defended the title successfully one time. His only defeat stands against former world champion Mikkel Kessler but this is nearly three years ago. He has continiously work hard and he will now challenge WBO king Robert Stieglitz in Magdeburg.