Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Kc2 win in 1 half-moves
3 Kd2 win in 1 half-moves
4 Ra2 win in 1 half-moves
5 Ra4 win in 1 half-moves
6 Ra5 win in 1 half-moves
7 Ra6 win in 1 half-moves
8 Ra7 win in 1 half-moves
9 Kb1 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb1 loss in 2 half-moves