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

EGTB: win in 4 half-moves

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