![Hyeon Chung, of South Korea, returns the ball to Andrey Rublev, of Russia, during the ATP Next Gen tennis tournament final, in Milan, Italy, Saturday, Nov. 11, 2017. (AP Photo/Antonio Calanni Stock Hyeon Chung, of South Korea, returns the ball to Andrey Rublev, of Russia, during the ATP Next Gen tennis tournament final, in Milan, Italy, Saturday, Nov. 11, 2017. (AP Photo/Antonio Calanni Stock](https://c8.alamy.com/comp/JTH1D3/montreal-canada-8th-aug-2017-hyeon-chung-of-south-korea-returns-the-JTH1D3.jpg)
Hyeon Chung, of South Korea, returns the ball to Andrey Rublev, of Russia, during the ATP Next Gen tennis tournament final, in Milan, Italy, Saturday, Nov. 11, 2017. (AP Photo/Antonio Calanni Stock
![Hyeon Chung of Korea returns the ball to Denis Shapovalov of Canada during the ATP Next Gen tennis tournament finals, at the Rho fair, near Milan, Italy, Tuesday, Nov. 7, 2017. (AP Hyeon Chung of Korea returns the ball to Denis Shapovalov of Canada during the ATP Next Gen tennis tournament finals, at the Rho fair, near Milan, Italy, Tuesday, Nov. 7, 2017. (AP](https://l450v.alamy.com/450v/2mr19mt/hyeon-chung-of-korea-returns-the-ball-to-denis-shapovalov-of-canada-during-the-atp-next-gen-tennis-tournament-finals-at-the-rho-fair-near-milan-italy-tuesday-nov-7-2017-ap-photoluca-bruno-2mr19mt.jpg)
Hyeon Chung of Korea returns the ball to Denis Shapovalov of Canada during the ATP Next Gen tennis tournament finals, at the Rho fair, near Milan, Italy, Tuesday, Nov. 7, 2017. (AP
![Chung Hyeon stuns Novak Djokovic at Australian Open – Watch highlights | Tennis News - Hindustan Times Chung Hyeon stuns Novak Djokovic at Australian Open – Watch highlights | Tennis News - Hindustan Times](https://images.hindustantimes.com/rf/image_size_960x540/HT/p2/2018/01/23/Pictures/tennis-australian-open-australia-laver-arena-melbourne_229574e2-ffb2-11e7-a2b4-180df2fa46c1.jpg)
Chung Hyeon stuns Novak Djokovic at Australian Open – Watch highlights | Tennis News - Hindustan Times
![Rising star Hyeon Chung putting South Korean tennis on the map - The Championships, Wimbledon - Official Site by IBM Rising star Hyeon Chung putting South Korean tennis on the map - The Championships, Wimbledon - Official Site by IBM](https://photo-assets.wimbledon.com/images/pics/large/b_10_chung_109_aeltc_s_wake.jpg)
Rising star Hyeon Chung putting South Korean tennis on the map - The Championships, Wimbledon - Official Site by IBM
![ATP NextGen Finals: South Korea's Hyeon Chung taking new rules in his stride in Milan | Tennis News - The Indian Express ATP NextGen Finals: South Korea's Hyeon Chung taking new rules in his stride in Milan | Tennis News - The Indian Express](https://images.indianexpress.com/2017/11/chung-ap-759.jpg)
ATP NextGen Finals: South Korea's Hyeon Chung taking new rules in his stride in Milan | Tennis News - The Indian Express
![Former Australian Open semi-finalist Hyeon Chung returns to singles for first time in three years | Tennisuptodate.com Former Australian Open semi-finalist Hyeon Chung returns to singles for first time in three years | Tennisuptodate.com](https://r.testifier.nl/Acbs8526SDKI/resizing_type:fill/watermark:Picture%3A+Proshots/width:1200/height:675/plain/https%3A%2F%2Fs3-newsifier.ams3.digitaloceanspaces.com%2Ftennisuptodate.com%2Fimages%2Fimages%2FChung_Hyeon_AustralianOpen2018.jpg)
Former Australian Open semi-finalist Hyeon Chung returns to singles for first time in three years | Tennisuptodate.com
![Montreal, Canada. 8th Aug, 2017. Hyeon Chung of South Korea returns the ball during the first round match against Feliciano Lopez of Spain at the Rogers Cup tennis tournament in Montreal, Canada, Montreal, Canada. 8th Aug, 2017. Hyeon Chung of South Korea returns the ball during the first round match against Feliciano Lopez of Spain at the Rogers Cup tennis tournament in Montreal, Canada,](https://c8.alamy.com/comp/JTH1CM/montreal-canada-8th-aug-2017-hyeon-chung-of-south-korea-returns-the-JTH1CM.jpg)
Montreal, Canada. 8th Aug, 2017. Hyeon Chung of South Korea returns the ball during the first round match against Feliciano Lopez of Spain at the Rogers Cup tennis tournament in Montreal, Canada,
![Next Gen ATP Finals: Chung Hyeon stays focused for third win, Andrey Rublev reaches semis | Tennis News - The Indian Express Next Gen ATP Finals: Chung Hyeon stays focused for third win, Andrey Rublev reaches semis | Tennis News - The Indian Express](https://images.indianexpress.com/2017/11/chung-759.jpg)
Next Gen ATP Finals: Chung Hyeon stays focused for third win, Andrey Rublev reaches semis | Tennis News - The Indian Express
![Delray Beach Open: Denis Shapovalov moves into semis, Hyeon Chung faces exit | Tennis News - Hindustan Times Delray Beach Open: Denis Shapovalov moves into semis, Hyeon Chung faces exit | Tennis News - Hindustan Times](https://images.hindustantimes.com/rf/image_size_630x354/HT/p2/2018/02/24/Pictures/tennis-aus-open_284b275c-193d-11e8-a4d7-7f47b8de9439.jpg)
Delray Beach Open: Denis Shapovalov moves into semis, Hyeon Chung faces exit | Tennis News - Hindustan Times
![Hyeon Chung, Andrey Rublev, Daniil Medvedev and Borna Coric qualify for semi-final at Next Gen | Tennis News | Sky Sports Hyeon Chung, Andrey Rublev, Daniil Medvedev and Borna Coric qualify for semi-final at Next Gen | Tennis News | Sky Sports](https://e0.365dm.com/17/11/2048x1152/skysports-hyeon-chung-next-gen-atp_4152066.jpg)
Hyeon Chung, Andrey Rublev, Daniil Medvedev and Borna Coric qualify for semi-final at Next Gen | Tennis News | Sky Sports
![Rising star Hyeon Chung putting South Korean tennis on the map - The Championships, Wimbledon - Official Site by IBM Rising star Hyeon Chung putting South Korean tennis on the map - The Championships, Wimbledon - Official Site by IBM](https://photo-assets.wimbledon.com/images/pics/large/b_hyeon1.jpg)