Poole have gained the upper hand over Lakeside in Speedway's Elite League play-off semi-final.
The Pirates edged the first leg 47-43 at the Arena Essex Raceway, having trailed with four heats remaining.
Darcy Ward top scored for Poole with 13 points, while former Hammer Krzysztof Kasprzak scored 12.
Lakeside's leader was Peter Karlsson, who netted 11 points, with Robert Mear and Kauko Nieminen each scoring nine.
The second leg of the semi-final takes place in Poole on Monday, 1 October.