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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Ra1 win in 1 half-moves
3 Ra2 win in 1 half-moves
4 Ra3 win in 1 half-moves
5 Ra5 win in 1 half-moves
6 Ra7 win in 1 half-moves
7 Rb8 win in 1 half-moves
8 Kb7 draw
9 Kb8 draw
10 Kd7 draw
11 Kd8 draw
12 Ra4 draw
13 Ra6 loss in 1 half-moves