CREATE TABLE table_42286 ("Tournament" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT, "2012" TEXT)

What was 2002, when 2011 was, 'atp masters series'?
SELECT "2002" FROM table_42286 WHERE "2011" = 'atp masters series'
SELECT "2002" FROM "table_42286" WHERE "2011" = 'atp masters series'