#2 Thelma Coyne Long
Australian Thelma Coyne Long won 2 Australian Open Singles titles, an astounding 12 Doubles titles and 4 Mixed Doubles titles. She was a multi-faceted personality who took to mentoring youngsters post her retirement. During the Second World War, she joined the Australian Women's Army Service and rose to the rank of Captain. For her wartime service, she was awarded the War Medal and the Australia Services, Medal. At the age of 94, she was inducted into the International Tennis Hall of Fame. She won the last of her Australian Open Singles crowns at the age of 35 years,108 days.
#1 Serena Williams
The Australian Open of 2017 was unique in many ways. In the Men's and the Women's Draw, of the 8 semi-finalists, 6 of them were aged 30 or over - the first time such a scenario has taken place in tennis history.
The Women's final was contested by the Williams sisters - both aged over 35 at the time. Serena Williams and Roger Federer were the Champions and both of them were 35 years old making it the first instance that both the winners were aged 35 or over.
Serena Williams who was pregnant at the time won her 23rd Grand Slam title beating her sister Venus in the final. She was precisely 35 years, 124 days old at the time of her victory. She will look forward to winning the Australian Open for the 8th time when she competes in 2019.
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