Padres 5, Phillies 1: Cory Luebke allowed two hits in eight scoreless innings in the longest outing of his career as San Diego snapped a 13-game losing streak at home to Philadelphia and handed Roy Halladay his first loss of the season.

Orlando Hudson had two RBIs and Yonder Alonso drove in a run and scored another as the Padres defeated the Phillies at Petco Park for the first time since Aug. 16, 2008.

Luebke (2-1) retired the last 11 batters he faced and struck out five en route to winning his second straight start. He didn't allow a hit until Placido Polanco led off the fourth with a single and also yielded a one-out hit to Halladay in the fifth. Luebke has allowed three runs in his last three starts.

Halladay (3-1) pitched seven innings and allowed two runs, five hits, four walks and struck out five in suffering his first career loss against San Diego (3-1).

The Padres blew the game open with three runs in the eighth on Jason Bartlett's RBI double, Hudson's run-scoring triple and Jesus Guzman's pinch-hit RBI single.

San Diego took a 1-0 lead in the second when Alonso scored on Hudson's groundout. Alonso's double knocked in Chase Headley to make it 2-0 in the third.

Ty Wigginton spoiled the shutout with an RBI double off Huston Street in the ninth.

GAME NOTEBOOK: The Phillies fell to 24-5 at Petco Park since it opened in 2004. ... Halladay, a career .130 hitter, is 3-for-11 this season (.273). ... The Padres improved to 8-23 overall against the Phillies since the start of 2008. ... The 13-game run was the longest active road streak in the major leagues and a Phillies' franchise record for most consecutive wins at one road ballpark. ... Halladay has eight walks in 30 innings. He had 35 in 233 2/3 innings in 2011.