The Olympus US Open Series, launched in 2004, is the cohesive, six-week summer tennis season of 9 North American tournaments linked to the US Open. The Series has produced record attendance, TV viewership and live broadcast hours for the sport. In total, the Olympus US Open Series events - including the US Open - generated a record 1.6 million attendees, 128 million TV viewers and over 28 million website visits making it the stongest summertime property in sports. Roger Federer and Maria Sharapova are past Olympus US Open Series champions.
