U.S. Open

n. United States Open, 4th and final event of the Grand Slam tennis tournaments

The term U.S. Open is applied to "open" United States national championships in a particular sport, in which anybody, amateur or professional, American or non-American may compete. These include:U.S. Open (golf), golf tournament of the United States Golf AssociationU.S. Open (tennis), fourth event of the Grand Slam tournamentsU.S. Women's Open (golf), golf tournament of the LPGAU.S. Open Badminton Championships, badminton tournamentU.S. Open (bowling)U.S. Open (crosswords), former crossword-solving tournamentU.S. Open (cycling)U.S. Open (darts)U.S. Open (go)U.S. Open 9-ballLamar Hunt U.S. Open Cup, soccer tournament held between American soccer clubs from the MLS and the minor leaguesU.S. Open (squash)U.S. Open (taekwondo) Taekwondo tournament of the United States Taekwondo governing bodyU.S. Open (USACO) United States Computing Olympiad proctored competition conducted during the month of AprilU.S. Open Chess Championship
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