5 oldest Australian Open men's singles champions
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1968, Open era: The moment tennis opted to become a modern sport - Tennis Majors
Open Era in Tennis, 1968 | Meaning + Detailed History & Records
Men's Singles | AO
List of Australian Open men's singles champions - Wikipedia
The All-Time Top 20 Men's Australian Open Champions | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
How to Watch the Australian Open Tennis Matches - The New York Times
Youngest Grand Slam winners in Open Era singles tennis
Australian Open: The All-Time Top 10 Women's Champions | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
The History of Tennis - Open Era of Tennis
The All-Time Top 20 Men's Australian Open Champions | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
The Big Takeaway From Australia: Men's and Women's Tennis Are in Very Different Places - The New York Times
List of Australian Open women's singles champions - Wikiwand
Australian Open 2022 men's final: Rafael Nadal wins record-breaking 21st Grand Slam with five-set victory - CBSSports.com
Rafael Nadal wins Australian Open for record 21st major title
Novak Djokovic Claws Closer To Roger Federer & Rafael Nadal's Slam Record | ATP Tour | Tennis
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Australian Open winners: Meet all singles champions since 1969
5 oldest Australian Open men's singles champions
Roger Federer, Defying Age, Tops Rafael Nadal in Australian Open Final - The New York Times
Australian Open winners: Meet all singles champions since 1969
Australian Open winners list: tournament's most successful players - AS USA
A breakdown of the youngest Grand Slam champions in the Open Era - The Stats Zone
