There is no doubt that one of the secrets behind Sascha's rise in professional tennis is his father Alexander Zverev Sr., who has always been by his side both as a father figure and as a coach.

"Alexander Zverev tries so hard"; "So f**king jarring and weird" - Fans react to German roasting father & brother at Australian Open "Alexander Zverev tries so hard"; "So f**king jarring and weird ...