Japan Senior Open
| Location | Varies – Inzai, Chiba in 2016 |
|---|---|
| Established | 1991 |
| Course(s) | Varies – Narashino Country Club King/Queen Course in 2016 |
| Organized by | Japan Golf Association |
| Format | Stroke play |
| Prize fund | ¥80,000,000 |
| Month played | October |
 Prayad Marksaeng
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The Japan Senior Open Golf Championship is one of the major championships in Japanese men's senior golf. It is administered by the Japan Golf Association (JGA) and is recognised as a major championship by the PGA of Japan Senior Tour. It was founded in 1991.
Japan PGA home page (Japanese)
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Wikipedia