Angelique Kerber: Is this the beginning of the end? | Sports| German football and major international sports news | DW | 27.08.2019
Rafael Nadal and the Top 23 Left-Handers in Tennis History | Bleacher Report | Latest News, Videos and Highlights
Bryan Brothers Will Retire From Tennis After 2020 U.S. Open - The New York Times
Tennis champ, SC native Althea Gibson of honored at US Open | WCIV
Russian Tennis Star Sharapova, 5-Time Grand Slam Champion, Retires - The Moscow Times
Pete Sampras - Wikipedia
50 Champions of the US Open | 50th Anniversary - Official Site of the 2020 US Open Tennis Championships - A USTA Event
Alexandrova quells 'legend' Clijsters' US Open comeback
Nick Kyrgios Announces He Won't Play in 2020 US Open Amid COVID-19 Pandemic | Bleacher Report | Latest News, Videos and Highlights
ESPN Serves First Ball to Last Ball Exclusively at the US Open - ESPN Press Room U.S.
Defending Champion Rafael Nadal To Skip U.S. Open Over Covid-19; Novak Djokovic Headlines Men's Field
Kim Clijsters Announces (Another) Return to Tennis - The New York Times
Wawrinka Stops Defending Champion Djokovic, Who Retires at US Open - Tennis Now
Novak Djokovic, Hampered by Injury, Is Out of the U.S. Open - The New York Times
Caroline Wozniacki announces she will retire from tennis after the 2020 Australian Open - ABC News
James Blake (tennis) - Wikipedia
Canada's Bianca Andreescu Makes History At The 2019 US Open Tennis Championships Kids News Article
Out of retirement, Clijsters is back on the scene for the first time since 2012
Pete Sampras | Biography, Titles, & Facts | Britannica
US Open 2020: Final countdown
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2019 US Open: 15-year-old Coco Gauff has become tennis's biggest story - Vox
I Still Have The Same Passion For Tennis": Kim Clijsters Ready For US Open 2020 - EssentiallySports
Kim Clijsters - Wikipedia
Tracy Austin - Wikipedia
Nadal retirement sends '09 champ del Potro back to US Open final - Official Site of the 2020 US Open Tennis Championships - A USTA Event
Althea Gibson becomes first African American on U.S. tennis tour - HISTORY
John McEnroe - Wikipedia
Sharapova retires from tennis at age 32 with 5 Slam titles
