Stefanos Tsitsipas revealed a secret about Roger Federer after winning his opening match at the Laver Cup. The world No. 12 got revenge on Thanasi Kokkinakis on Friday, just weeks after the Aussie upset him at the US Open.

"Our goal is to give people an experience that is so great they want to do it again!" said the Laver Cup's chief executive officer Steve Zacks while announcing a five-year extension to the tournament's partnership with the ATP.

Roger Federer says he is happy that he "does not feel like an alien" in his return to tournaments as he acknowledged that certain questions can irk a retired player and make him never come back.

The 20-time Grand Slam champion famously enjoyed an emotional farewell at the 2022 Laver Cup, when the team event was staged in London's O2 Arena. Federer co-created the Laver Cup and is back as a spectator in Berlin this year. He also raised eyebrows when he took to the iconic black court for a hit earlier in the week.

Roger Federer retired two years ago but his connection to tennis remains stronger than ever. The return of the Laver Cup is another reminder that he never left the stage.

Laver Cup in Berlin is well underway and celebrates its seventh year. Here are seven magnificent matches in the Roger Federer-inspired competition. The inaugural edition of the Laver Cup had a spectacular conclusion,