Andy Richter singled, doubled, knocked in three runs, and also handled the pitching chores for

Christopher Dock

during a 10-1 win over

Devon Prep

yesterday in the semifinals of the PIAA District 1 Class A baseball tournament.

Richter (6-3) pitched a complete game with seven strikeouts and four hits allowed. As the No. 5 hitter in the Pioneers' lineup, he lined a two-run single during a four-run uprising in the first inning.

Ryan Seiz, the No. 3 hitter, chipped in with two singles, two RBIs, and two runs scored.

Christopher Dock (16-5), which will face

Morrisville

in the District 1 championship game today at 3 p.m. at Council Rock North, had beaten Devon Prep by 3-2 and 4-2 in the regular season.

Girls' Lacrosse

Gabby Miller's three goals and two assists led a balanced

Radnor

attack as the top-seeded Red Raiders defeated visiting

Conestoga

, 12-4, in the quarterfinals of the PIAA District 1 Class AAA tournament.

Miller scored twice in Radnor's eight-goal second half. Radnor also had four players with two goals each, and goalie Katie Geary stopped five shots by the Pioneers (13-7).

Unbeaten Radnor (21-0) will face

Boyertown

, a 12-11 winner over visiting

North Penn

, in the semifinals Saturday at West Chester East. North Penn (15-6), which got six goals from Lauren McDermott, had more shots, 30-20, than the Bears (18-3).

In other quarterfinal action, Jaymie Tabor's five goals steered

Downingtown West

(20-2) to a 15-9 success against visiting

Ridley

(13-8).

Bayard Rustin

(16-2) squeezed past visiting

Abington

(18-2) for a 10-9 win that put Rustin in Saturday's semifinals against Downingtown West.

Boys' Lacrosse

Kevin Forster scored four goals and assisted on one more, and Westy Hopkins added three goals and an assist to

La Salle

's 13-3 semifinal win over

St. Joseph's Prep

in the Eastern Pennsylvania Scholastic Lacrosse Association playoffs at Central Bucks West.

The Explorers (28-2), who beat the Prep by 6-5 six days earlier in the Catholic League championship game, broke to an 8-1 halftime lead, as goalie Niko Amato finished with five saves, and Randy Forster and Pete Schwartz chipped in with two goals apiece.

In a quarterfinal game that was completed after being suspended by lightning in the second period Tuesday,

Penn Charter

got past

Ridley

, 7-5, at Conestoga and moved into tomorrow's semifinals against top-seeded

Malvern Prep

at 6 p.m. at Garnet Valley.