Torben Beltz has had a highly successful career as a top coach on the WTA Tour. He helped fellow German Angie Kerber to three Major Titles and an Olympic Silver Medal. Kerber's victories included one over Serena Williams. Beltz explains how Angie got the win over the WTA great.

More recently. Beltz has worked with Donna Vekic and Emma Raducanu and guided Eva Lys to the 4th round of the Australian Open 2025 as a Lucky Loser.

Lys found out 5 minutes before her match with Kim Birrel that she was in! Lys won that match and two more before being taken out by an in-form Iga Swiatek. Beltz tells the story - and it's a great one - so please enjoy this edition of Diary of a Professional Tennis Coach!

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