The ATP tournament in Osaka ( officially Salem Open ) is a former men's tennis tournament, which was held in Osaka, Japan in 1993 and 1994. Venue was the Esaka Tennis Center, was played on outdoor hard courts. The Salem Open replaced the Tournament of Singapore in the event calendar of the ATP Tour. The competition was always held in late March and was presented in the ATP World Series, the predecessor series on the ATP World Tour 250
Neither the single nor double, a player is able to win both sweeps of the tournament.