Koga Golf Club sits along the Genkai Sea, yet the ocean is only glimpsed beyond the coastal pine groves that frame and separate the holes. The course is laid out over gently undulating sand dunes, creating a seaside setting with a woodland feel. With its origins dating back to 1926 and a postwar relocation to its current site, Koga has a rich history and has proudly hosted the Japan Open three times.

On the course, keeping the ball in the fairway is an absolute must. Miss into the rough or trees and reaching the green in regulation becomes nearly impossible. Elevated, compact, and firm greens are guarded by deep bunkers, demanding precise approaches. The ever-present coastal winds add another layer of difficulty, making distance control a challenge. Since the full renovation in 2005, the greens have been exceptionally fast with subtle and complex breaks—paradise for skilled putters, but punishing for those who misread the lines.

The layout offers many memorable holes: the blind tee shot at the par-4 2nd leading to a raised green, the visually stunning but demanding par-3s such as the 4th and 11th, and the risk-reward drama of the par-5 12th and 14th. The infamous “Hell Bunker” on the 16th and the strategic fairway bunker guarding the corner at the 18th further underscore the course’s character.

Koga is a fine example that “short does not mean easy.” At the 2019 Japan Open, the course played just 6,817 yards as a par-71, yet the winning score was one over par—proof that its challenge comes from design, not artificially narrowed fairways or overgrown rough.

Overall, this is a fair yet uncompromisingly demanding championship course. With its seaside winds, elevated greens, and narrow landing areas, it offers a stern test for even experienced players, all while maintaining excellent conditioning and classic charm.