Luebke (2-1) held the Phillies to two hits in eight innings, struck out five and walked two.
The Padres hadn't beaten the Phillies in their downtown ballpark since Aug. 16, 2008. The Phillies' 13-game winning streak at Petco had been the longest active for any visiting club at any particular ballpark, and their longest winning streak at any ballpark in club history.
The Phillies, who took the first two of this four-game series, had swept the Padres in San Diego each of the last three seasons. Overall, the Phillies are 24-5 at Petco Park since it opened in 2004.
Huston Street pitched the ninth in a non-save situation, allowing Ty Wigginton's RBI double with two outs.
