After a good month it’s over: long-time Federer coach Severin Lüthi is no longer part of Holger Rune’s coaching team. Severin Lüthi (2nd from left) and Holger Rune go their separate ways. – Instagram / holgerrune the essentials in brief Holger Rune and Severin Lüthi are going their separate ways after a month. “The timing … Continue reading Holger Rune’s Coach Severin Lüthi Departs After Disappointing Australian Open Performance