PITTSBURGH >> Evgeny Kuznetsov's breakway goal 5:27 into overtime gave the Washington Capitals a 2-1 win over the Pittsburgh Penguins in Game 6 on Monday night, and a berth in the Eastern Conference finals for the first time in 20 years.Kuznetsov took a lead pass from Alexander Ovechkin and tucked the puck by Matt Murray to end Pittsburgh's two-year reign as Stanley Cup champions and propel the Capitals into the NHL's final four for just the third time in franchise history.