Amateur

Betz won the first of her four singles titles at the U.S. Championships in 1942, saving a match point in the semifinals against Margaret Osborne while trailing 3–5 in the final set.^[9] The following year, she won the Tri-State tournament in Cincinnati, Ohio, defeating Catherine Wolf in the final without losing a point in the first set,^[9] a "golden set". She won the Wimbledon singles title in 1946, the only time she entered the tournament, without losing a set.^[9] At the 1946 French Championships, held that year after Wimbledon, she lost the final in three sets to Margaret Osborne after failing to convert two match points.^[10]

According to John Olliff, Betz was ranked world no. 1 in 1946 (no rankings issued from 1940 through 1945).^[10] She was included in the year-end top 10 rankings issued by the United States Lawn Tennis Association from 1939 through 1946. She was the top ranked U.S. player from 1942 through 1944 and in 1946.^[11] Her other career singles highlights include winning the Dixie International Championships three times (1940–1942).

Professional

Her amateur career ended in 1947 when the USLTA revoked her amateur status for exploring the possibilities of turning professional.^{[9][12][13][14]} Betz played two professional tours of matches against Sarah Palfrey Cooke (1947) and Gussie Moran (1951).^[10] A professional tour against Maureen Connolly was planned for 1955, but did not materialize due to Connolly's career-ending injury.^[15]

Pauline Betz won the Cleveland Women's World Professional Championships in 1953, 1955, and 1956, defeating Doris Hart, the reigning U.S. champion, in the 1956 final. In May 1956, she also played another match against Hart at Milwaukee, winning in two straight sets.

Singles (5 titles, 3 runners-up)

More information Result, Year ...

Result	Year	Championship	Surface	Opponent	Score
Loss	1941	U.S. Championships	Grass	Sarah Palfrey Cooke	5–7, 2–6
Win	1942	U.S. Championships	Grass	Louise Brough	4–6, 6–1, 6–4
Win	1943	U.S. Championships (2)	Grass	Louise Brough	6–3, 5–7, 6–3
Win	1944	U.S. Championships (3)	Grass	Margaret Osborne	6–3, 8–6
Loss	1945	U.S. Championships	Grass	Sarah Palfrey Cooke	6–3, 6–8, 4–6
Win	1946	Wimbledon	Grass	Louise Brough	6–2, 6–4
Loss	1946	French Championships	Clay	Margaret Osborne	6–2, 6–8, 5–7
Win	1946	U.S. Championships (4)	Grass	Doris Hart	11–9, 6–3

Close

Doubles: 7 (7 runner-ups)

More information Result, Year ...

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	1941	U.S. Championships	Grass	Dorothy Bundy	Sarah Palfrey Margaret Osborne	6–3, 1–6, 4–6
Loss	1942	U.S. Championships	Grass	Doris Hart	Louise Brough Margaret Osborne	6–2, 5–7, 0–6
Loss	1943	U.S. Championships	Grass	Doris Hart	Louise Brough Margaret Osborne	4–6, 3–6
Loss	1944	U.S. Championships	Grass	Doris Hart	Louise Brough Margaret Osborne	6–4, 4–6, 3–6
Loss	1945	U.S. Championships	Grass	Doris Hart	Louise Brough Margaret Osborne	3–6, 3–6
Loss	1946	Wimbledon	Grass	Doris Hart	Louise Brough Margaret Osborne	3–6, 6–2, 3–6
Loss	1946	French Championships	Clay	Doris Hart	Louise Brough Margaret Osborne	4–6, 6–0, 1–6

Close

Mixed Doubles: 3 (1 title, 2 runner-ups)

More information Result, Year ...

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	1941	U.S. Championships	Grass	Bobby Riggs	Sarah Palfrey Jack Kramer	6–4, 4–6, 4–6
Loss	1943	U.S. Championships	Grass	Pancho Segura	Margaret Osborne Bill Talbert	8–10, 4–6
Win	1946	French Championships	Clay	Budge Patty	Dorothy Bundy Tom Brown	7–5, 9–7

Close