Betsy Nagelsen
Singles
Country (sports)	United States
Residence	Maui, Hawaii & Orlando, Florida
Born	(1956-10-23) October 23, 1956 (age 67) St. Petersburg, Florida
Height	1.75 m (5 ft 9 in)
Turned pro	1973
Retired	1996
Plays	Right-handed
Prize money	$1,016,519
Career record	194–256
Career titles	4
Highest ranking	No. 23 (end 1981)^[1]
Grand Slam singles results
Australian Open	F (1978)
French Open	2R (1975, 1978)
Wimbledon	4R (1981, 1986)
US Open	3R (1974, 1976, 1980, 1988)
Doubles
Career record	385–253
Career titles	26
Highest ranking	No. 11 (March 14, 1988)
Grand Slam doubles results
Australian Open	W (1978, 1980)
French Open	SF (1981, 1985)
Wimbledon	F (1987)
US Open	SF (1978, 1984, 1987)
Mixed doubles
Grand Slam mixed doubles results
US Open	F (1987)

Helen Elizabeth "Betsy" Nagelsen McCormack (born October 23, 1956) is an American former professional tennis player.

Career

Nagelsen was the world's top junior in 1973. She won the 1973 U.S. Champion Girls' 16 and under singles. She also won the USTA Girls' Sportsmanship Award in 1974.^[2] As a professional, she won the doubles championship at the 1978 and 1980 Australian Opens (with Renáta Tomanová and Martina Navratilova, respectively), and reached the singles final of the 1978 Australian Open, losing to Christine O'Neil. Over her 21-year career on the WTA Tour, Nagelsen won 26 doubles titles and four singles titles.

Nagelsen reached her career-high singles ranking by the end of 1981, when she became the world No. 23.^[1] She also reached a career-high ranking in doubles of No. 11 on March 4, 1988. She had career wins over Martina Navratilova, Arantxa Sánchez Vicario, Sue Barker, Pam Shriver, Claudia Kohde-Kilsch, Rosie Casals, Betty Stöve, and Sylvia Hanika. She was a four-time member of the U.S. Wightman Cup Team in 1974, 1985, 1988 and 1989.

After her retirement in 1996, Nagelsen became a commentator for ABC and ESPN in the United States and Australia's Nine Network. She married Mark McCormack, founder of the sports management group IMG. The couple donated money for the McCormack-Nagelsen Tennis Center at the College of William and Mary in Williamsburg, Virginia. The Intercollegiate Tennis Association's Women's Tennis Hall of Fame is located on the site.

Grand Slam finals

Singles: 1 (1 runner-up)

Result	Year	Championship	Surface	Opponent	Score
Loss	1978	Australian Open	Grass	Chris O'Neil	3–6, 6–7^(3–7)

Doubles: 4 (2 titles, 2 runners-up)

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	1977^(J)	Australian Open	Grass	Kerry Reid	Dianne Fromholtz Helen Gourlay	7–5, 1–6, 5–7
Win	1978	Australian Open	Grass	Renáta Tomanová	Naoko Sato Pam Whytcross	7–5, 6–2
Win	1980	Australian Open	Grass	Martina Navratilova	Ann Kiyomura Candy Reynolds	6–4, 6–4
Loss	1987	Wimbledon	Grass	Elizabeth Smylie	Claudia Kohde-Kilsch Helena Suková	5–7, 5–7

Mixed Doubles: 1 (1 runner-up)

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	1987	US Open	Hard	Paul Annacone	Martina Navratilova Emilio Sánchez	4–6, 7–6^(8–6), 6–7^(12–14)

Grand Slam tournament performance timeline

**Key**
W	F	SF	QF	#R	RR	Q#	DNQ	A	NH

(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.

Singles

Tournament	1974	1975	1976	1977		1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	SR
Australian Open	A	A	A	1R	A	F	A	3R	2R	A	2R	1R	2R	NH	2R	1R	A	A	A	A	A	0 / 9
French Open	1R	2R	1R	A		2R	A	1R	1R	1R	1R	1R	1R	1R	A	A	A	1R	A	A	A	0 / 12
Wimbledon	3R	2R	1R	2R		2R	2R	3R	4R	2R	3R	2R	1R	4R	1R	1R	1R	3R	1R	Q1	Q2	0 / 18
US Open	3R	A	3R	1R		1R	1R	3R	2R	1R	1R	1R	1R	2R	2R	3R	2R	A	A	A	A	0 / 15
Strike rate	0 / 3	0 / 2	0 / 3	0 / 3		0 / 4	0 / 2	0 / 4	0 / 4	0 / 3	0 / 4	0 / 4	0 / 4	0 / 3	0 / 3	0 / 3	0 / 2	0 / 2	0 / 1	0 / 0	0 / 0	0 / 54