The Greek is the first from his country to make the elite eight.
Andy Murray continued raging at Fabio Fognini in the locker room after their contentious Shanghai clash.
The Colombians have won the last two major doubles titles.
The German lost the handle on this forehand, in a big way.
The 25-year-old made the announcement on social media.
Stefanos Tsitsipas sees NextGen stars challenging for Slams in 2020.
The couple announced the birth of Keira, who was born on September 27.
