Cynthia Doerner

This page provides a comprehensive overview of Cynthia Doerner’s Grand Slam career. It combines key background information and career-level statistics with a complete, filterable list of her tournament results, showing how far she progressed in each Grand Slam event across her career.

Insights

Career peak came at the 1979 Australian Open

Doerner’s best Grand Slam result was a quarterfinal at the 1979 Australian Open, achieved at age 28. It is her only quarterfinal listed and stands above her next-best Open Era finish of the round of 16.

Australian Open was her strongest Slam by far

Across six Australian Open appearances, she reached at least the round of 32 every time and produced her only quarterfinal there. Her Australian Open results are R32, R32, R32, R32, R32, and Q, a much deeper run pattern than at the other majors.

Wimbledon was her most consistent non-Australian major

She reached Wimbledon five times and advanced to the round of 32 or better in four of them: R64, R64, R32, R32, and R128. That makes Wimbledon her steadiest overseas Slam, even though it never matched her Australian Open peak.

Best stretch came in 1975-1979

Her strongest Grand Slam phase is the 1975-1979 span, when she posted 18 of her 24 tournament appearances and all of her deepest results, including the 1976 French Open round of 16 and the 1979 Australian Open quarterfinal. Earlier results never went beyond the round of 32.

She improved from teenage debut to late-20s peak

Doerner’s Slam career began at age 16 with a 1968 Australian Open round of 32, and her final listed Slam came at age 28 in 1979 with her best result. The data shows a clear progression from early-round exits to a late-career peak.

Basics

Born	11 February 1951
Gender	Female
AKA	Cynthia Sieler
Nation	Australia
Era	Amateur Era and Open Era
Grand Slam careerCareer	1968, 1970-1973, 1975-1979

Grand Slam statistics

Tournaments	24
Best results Open Era	1 x quarterfinalist 1 x R16 9 x R32
Best results Amateur Era	1 x R32
Total matches	60
W/L-record	36-24 (60% won)

During the Amateur Era, only top results (quarterfinals or better) from 1945 onwards are listed on this site. Therefore, the list below may not include all Amateur Era results.

Cynthia Doerner – Grand Slam results (year, tournament, result, age)
Year	Tournament	Era	Result	Age
1979	Australian Open	Open Era	Q	28
1979	US Open	Open Era	R128	28
1979	Wimbledon	Open Era	R32	28
1979	French Open	Open Era	R64	28
1978	Australian Open	Open Era	R32	27
1978	US Open	Open Era	R64	27
1978	Wimbledon	Open Era	R64	27
1978	French Open	Open Era	R64	27
1977	US Open	Open Era	R64	26
1977	Wimbledon	Open Era	R32	26
1977	French Open	Open Era	R64	26
1976	US Open	Open Era	R128	25
1976	Wimbledon	Open Era	R32	25
1976	French Open	Open Era	R16	25
1975	US Open	Open Era	R32	24
1975	Wimbledon	Open Era	R64	24
1975	Australian Open	Open Era	R32	23
1973	Wimbledon	Open Era	R128	22
1973	Australian Open	Open Era	R32	21
1972	US Open	Open Era	R64	21
1972	Wimbledon	Open Era	R64	21
1971	Australian Open	Open Era	R32	20
1970	Australian Open	Open Era	R32	18
1968	Australian Open	Amateur Era	R32	16