The notes were sold at the lowest price of 99.58, higher than market expectations of around 99.56, and the auction drew bids of 4.21 times the amount offered.

Ten-year JGB futures gained 0.06 point to 150.14, with a trading volume of 30,821 lots.

The benchmark 10-year JGB yield stood flat at 0.125 percent, while the 20-year yield fell half a basis point to 0.655 percent.

The 30-year JGB yield dropped 0.5 basis point to 0.915 percent, a day after it climbed to its 15-month high of 0.920 percent.

The 40-year yield was unchanged at 1.085 percent, after it touched its one-year high of 1.090 percent the previous day.