German exits after sloppy service display.
Nadal and Zverev slow out of the blocks in Acapulco.
Thiem 'deserves' final spot.
Thiem gets third shot at Grand Slam.
'It feels awesome,' says Grand Slam semi-finalist Zverev.
Alexander Zverev on a roll at Melbourne Park.
The next few days could be the making of Sacha Zverev.
Wins too for Zverev and Medvedev.
Alexander Zverev finding his groove.
Incredible gesture from Alexander Zverev