The 36-year-old Klitschko, who is based in Hamburg, faces his 23rd world title fight against the undefeated Wach.
“This fight will also be special because I have never fought against a boxer who is bigger than me and has a longer reach,” said Klitschko of the 6ft 7.5in Krakow-born and US-based Wach (four centimetres taller than Klitschko). Klitschko last fought in Hamburg on July 2, 2011, when beat Britain’s David Haye to add the WBA belt to his collection.
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