Bad bad news from Alexander Zverev‘s camp in Halle.
The German sensation had a good start of his campaign in Germany after he defeated Robin Haase 6-4 7-5. However, the world no.5 had to withdraw from playing the doubles with his brother Mischa because of a knee injury.
According to reports, the German was seen limping in the morning with a tape on his knee.
Sascha is meant to face Steve Johnson in the 2nd round.