The German jokes, but his ankle is still causing him pain in Melbourne.
The 2016 semifinalist wins six of last seven points to reach second round.
The Greek sensation had the opportunity to both play against and practice with the American legend prior to the Australian Open.
Meet Alex de Minaur's French alter ego Axel.
The American insists that nothing has changed with her coaching team despite the absence of Kamau Murray.
Paris Masters champion inks long-term deal.
Serena Williams and Novak Djokovic headline the action on Rod Laver on Day 2 in Melbourne.