- What Alexander Zverev said to Alejandro Davidovich Fokina at the net after knocking him out of the Madrid Open The Tennis Gazette
- Alexander Zverev warned for photo of ball mark at Madrid Open ESPN
- Zverev survives Davidovich Fokina scare in Madrid ATP Tour
- Alexander Zverev adds to clay line-calling furore during Madrid Open win The New York Times
- Alexander Zverev survives, reigning champ Andrey Rublev ousted in Madrid Deadspin