International Tennis Federation - On this day in 1980, John McEnroe became world No.1 for the first time 👏 | Facebook
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The Greatest Championships, 1980 - Bjorn Borg vs John McEnroe - The Championships, Wimbledon - Official Site by IBM
Wimbledon 1980: Wooden Racquets, Short Shorts And The Ultimate Showdown | All Things Considered | WNYC
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37 psychologists, drugs and cheating couldn't cure my temper says John McEnroe - but getting older did | The US Sun
![World of Tennis 1980: Barrett, John (edit) & Lance Tingay & Steve Flink.: 9780362020120: Amazon.com: Books World of Tennis 1980: Barrett, John (edit) & Lance Tingay & Steve Flink.: 9780362020120: Amazon.com: Books](https://m.media-amazon.com/images/I/713maez5u4L._AC_UF1000,1000_QL80_.jpg)
World of Tennis 1980: Barrett, John (edit) & Lance Tingay & Steve Flink.: 9780362020120: Amazon.com: Books
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When former Grand Slam tennis champions contested Hong Kong's first Grand Masters event in 1980 | South China Morning Post
![This Day in US Open History: Sept. 6, 1980 - Official Site of the 2023 US Open Tennis Championships - A USTA Event This Day in US Open History: Sept. 6, 1980 - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_McEnroe-1980_50th.jpg)