Taylor Fritz, Alexander Zverev's girlfriends Morgan Riddle and Sophia Thomalla show their support for partners ahead of thrilling ATP Finals SF clash

Tennis stars Taylor Fritz and Alexander Zverev will face off in the ATP Finals semi-finals on Saturday, and their girlfriends, Morgan Riddle and Sophia Thomalla, are showing their support.

Riddle, a fitness model and influencer, has been dating Fritz for over a year, and she has been a vocal supporter of his tennis career. She frequently posts photos and videos of Fritz on her social media accounts, and she is often seen cheering him on from the stands. Thomalla, a German actress and model, has been dating Zverev for several months, and she has also been showing her support for her boyfriend. She has posted several photos of Zverev on her social media accounts, and she has been seen cheering him on from the stands.

Both Riddle and Thomalla are beautiful and successful women, and they are both passionate about their boyfriends' tennis careers. They are sure to be cheering them on from the stands on Saturday, and they will be hoping to see them reach the ATP Finals final.

Fritz and Zverev are two of the most exciting young players in tennis, and their semi-final clash is sure to be a thrilling match. Both players have been in excellent form in recent months, and they will be looking to book their place in the final. The match is scheduled to start at 3pm GMT on Saturday, and it will be broadcast live on Amazon Prime Video.