He finished tied for 14th at the 2002 Masters Tournament, tied for fourth at the 2004 U.S. Open, tied for fifth at the 2002 The Open Championship, and tied for 22nd at the 2001 PGA Championship. Maruyama has 13 professional wins as of August 2014. He set a record for shooting a 58 during the first round of the 2000 U.S. Open qualifiers at a Maryland golf course. Maruyama returned to Japan in 2008 after struggling to remain fully eligible for the PGA Tour. Maruyama has won ten events on the Japan Golf Tour, including his most recent in 2009 at the Golf Nippon Series JT Cup.
