Evolution of the golf courses
| 1929 | 
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18 holes of the East Course are completed. Their architects were composed of the Club’s five founding members including Kinya Fujita and Shiro Akaboshi. |
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| 1931 |  |
British golf architect C.H. Alison proposes renovation of the East Course. |
| 1932 | 
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18 holes of the West Course are completed (Architect: Kinya Fujita). First golf course in Asia having 36 holes. |
| 1933 | Renovation proposed by C.H. Alison is completed. Greens of the West Course (Bent grass)are damaged by a heat wave, and construction of sub-greens is started. |
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| 1935 | Main greens of the West Course are changed from Bent grass to Korai grass, and the sub-greens are changed to Bent grass | |
| 1936 | Greens of the East Course (Korai grass) are severely damaged by heavy snow. | |
| 1937 | Kasumigaseki determines that a two green system (one for summer and another for winter) is desirable given the local climate. Supply of well water has begun. |
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| 1939 | Sub-greens of the West Course are completed. With sub-greens of the East Course completed in the previous year, the two green system is completed for all 36 holes. | |
| 1944 | Part of the East course is sold to NKK Farm. Part of the West Couse is requisitioned by the military. Operation of the course continues with nine holes from the East Course and nine holes from the West. |
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| 1945 | The course is closed in April. Immediately following the end of World War II, Kasumigaseki is requisitioned by the U.S. Air Force. Recovery work is started. |
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| 1946 | Recovery of 18 holes (nine from East, nine from West) is completed. | |
| 1950 | Part of the East Course sold previously to NKK Farm is repurchased. | |
| 1952 |  |
Recovery of the East Course is completed by Seiichi Inoue. Requisition by the U.S. Air Force ends. |
| 1954 |  |
The New West Course is completed by Seiichi Inoue and is reopened as an 18-hole course. |
| 1957 | The East Course is partly renovated by Seiichi Inoue prior to the Canada Cup. | |
| 1986 | Main greens of the East Course are changed to Bent grass. | |
| 1993 | The West Course is renovated by Taizo Kawata. Greens are changed to Bent grass, and the layout of holes No. 9 and No.10 are changed. | |
| 1998 | The West Course is changed to have just one green per hole, by Taizo Kawata. | |
| 2016 | The East Course is completely redesigned by Tom and Logan Fazio. Course yardage is lengthened and each hole now has just a single green. | |
| 2018 | Driving range for the Olympics and temporary green was constructd on West No.18. | |
