Povetkin, 39, was the mandatory challenger to Joshua after the Brit defeated Joseph Parker at Cardiff’s Principality Stadium back in March.
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This mandatory match-up put on hold hopes of a heavyweight unification fight with the American Deontay Wilder but in Povetkin, Joshua faces a fighter of proven pedigree.
Live stream and TV channel details
The fight will be shown exclusively on Sky Sports Box Office, priced at £19.95.
The card is also available to stream live for non-Sky customers via the Sky Sports Box Office app, available on PC/desktop, mobile or tablet devices or via the NOW TV box or Smart Stick.