About Jiro Kumamaru
Lived 1921 – 2007 (aged 85). Jiro Kumamaru was a Japanese tennis player.
Jiro Kumamaru (September 26, 1921 – June 8, 2007) was a Japanese tennis player in the years after World War 2.
Career Kumamaru was a four time winner of the Japan championships in 1949, 1950, 1951 and 1952. He played in United States in 1951. At the US clay court championships, Kumamaru beat seasoned player Seymour Greenberg after a two-hour battle. He lost in the quarter finals to Herbert Flam in five sets. He had led 4-1 in the fifth set. "Both men displayed extreme caution and rushed the net infrequently."
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Important facts
People in Jiro Kumamaru's life
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Contemporaries
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Frequently asked questions
Who was Jiro Kumamaru?
Japanese tennis player (1921-2007)
When was Jiro Kumamaru born?
Jiro Kumamaru was born on 26 September 1921 in Fukuoka Prefecture.
When did Jiro Kumamaru die?
Jiro Kumamaru died on 8 June 2007.
What was Jiro Kumamaru's occupation?
Jiro Kumamaru was a tennis player.
What nationality was Jiro Kumamaru?
Jiro Kumamaru was Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Jiro Kumamaru. https://biography.guide/jiro-kumamaru/
MLA: "Jiro Kumamaru." Biography.guide, https://biography.guide/jiro-kumamaru/.
Chicago: "Jiro Kumamaru." Biography.guide. https://biography.guide/jiro-kumamaru/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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