Trading was slow with the benchmark 10-year cash JGBs untraded until late afternoon, with many investors looking to Tuesday's 20-year JGB auction as well as the U.S. Federal Reserve's policy meeting ending on Wednesday.

Ten-year JGB futures rose 0.01 point to 152.80. Benchmark cash 10-year JGBs was flat at minus 0.040 percent.

The 20-year JGB yield was flat at 0.395 percent while the 30-year JGB yield was also unchanged at 0.570 percent.

The market was unmoved by data showing Japan’s exports fell for a third month in February.