![Medal-Round Rundown: Belinda Bencic in two Olympic semifinals; U.S. tennis hopes rest with Tennys Sandgren and Austin Krajicek Medal-Round Rundown: Belinda Bencic in two Olympic semifinals; U.S. tennis hopes rest with Tennys Sandgren and Austin Krajicek](https://images.tennis.com/image/private/t_16-9_768/tenniscom-prd/hmtbwmf05fvobyjnufmx.jpg)
Medal-Round Rundown: Belinda Bencic in two Olympic semifinals; U.S. tennis hopes rest with Tennys Sandgren and Austin Krajicek
![Swiss Tennis on Twitter: "Well done, Johan #Nikles, who def. #5 seed Ficovich to advance to the semifinal of the @ITF_Tennis 25k in Sion! Jakub #Paul and Sandro #Ehrat play their QFs Swiss Tennis on Twitter: "Well done, Johan #Nikles, who def. #5 seed Ficovich to advance to the semifinal of the @ITF_Tennis 25k in Sion! Jakub #Paul and Sandro #Ehrat play their QFs](https://pbs.twimg.com/media/DlXJJmmXsAIwFS9.jpg)
Swiss Tennis on Twitter: "Well done, Johan #Nikles, who def. #5 seed Ficovich to advance to the semifinal of the @ITF_Tennis 25k in Sion! Jakub #Paul and Sandro #Ehrat play their QFs
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Roger Federer Switzerland action against Tennys Sandgren Redaktionelles Stockfoto – Stockbild | Shutterstock
![Melbourne, Australia. 18th Jan, 2018. Tennys Sandgren of the United States celebrates during the men's singles second round match against Stan Wawrinka of Switzerland at Australian Open 2018 in Melbourne, Australia, Jan. Melbourne, Australia. 18th Jan, 2018. Tennys Sandgren of the United States celebrates during the men's singles second round match against Stan Wawrinka of Switzerland at Australian Open 2018 in Melbourne, Australia, Jan.](https://c8.alamy.com/comp/M03WTW/melbourne-australia-18th-jan-2018-tennys-sandgren-of-the-united-states-M03WTW.jpg)
Melbourne, Australia. 18th Jan, 2018. Tennys Sandgren of the United States celebrates during the men's singles second round match against Stan Wawrinka of Switzerland at Australian Open 2018 in Melbourne, Australia, Jan.
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