Jiro
Kumamaru
Male
Japan
1921-09-26
Kurume City, Fukuoka Prefecture, Japan
2007-06-08
, -
In 1943, Kumamaru Jiro graduated from Keio University.
Jiro Kumamaru was tennis champion of Japan (1949-50) and the following year participated in the Davis Cup.
In 1957, he was manager of Japan's Davis Cup Team.
1949 - 1952
4
11
9
1952 - Japan International Championships (Amateur)
1951 - Japan International Championships (Amateur)
1950 - Japan International Championships (Amateur)
1949 - Japan International Championships (Amateur)
Final
Jiro Kumamaru 1 *
Kosei Kamo
6-3
6-4
6-3
Round 1
Jack Meredith Tuero 1 *
Jiro Kumamaru
8-6
6-8
6-4
11-9
Round 1
Jiro Kumamaru 1 *
Jacques Grigry
6-2
6-1
Round 2
Jiro Kumamaru 1 *
Donald Kaiser
6-1
7-5
Round 3
Jiro Kumamaru 1 *
Seymour Greenberg
7-5
7-5
Quarterfinals
Herbert (Herb) Flam 1 *
Jiro Kumamaru
3-6
6-2
6-2
4-6
6-4
Semifinals
Jiro Kumamaru 1 *
Goro Fujikura
6-4
3-6
6-3
6-2
Final
Jiro Kumamaru 1 *
Art Larsen
6-4
6-3
6-1
Poule
Jiro Kumamaru 1 *
Art Larsen
6-4
8-10
6-4
Final
Jiro Kumamaru 1 *
Goro Fujikura
6-0
5-7
6-4
6-3
Final
Jiro Kumamaru 1 *
Goro Fujikura
6-4
6-2
6-3