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Australia's Nick Kyrgios hits himself on the head with his racket during his men's singles third round match against Canada's Milos Raonic on day five of the 2015 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 3, 2015.   RESTRICTED TO EDITORIAL USE  --  AFP PHOTO / GLYN KIRK        (Photo credit should read GLYN KIRK/AFP/Getty Images)
Australia's Nick Kyrgios hits himself on the head with his racket during his men's singles third round match against Canada's Milos Raonic on day five of the 2015 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 3, 2015.   RESTRICTED TO EDITORIAL USE  --  AFP PHOTO / GLYN KIRK        (Photo credit should read GLYN KIRK/AFP/Getty Images)

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    Chris Evert: Tennis stars under more pressure

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Chris Evert: Tennis stars under more pressure

Former world No. 1 Chris Evert tells CNN that today's tennis stars are under more pressure, due to money and the media, to perform compared with her day.

Chris Evert: Tennis stars under more pressure

Former world No. 1 Chris Evert tells CNN that today's tennis stars are under more pressure, due to money and the media, to perform compared with her day.