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

EGTB: win in 2 half-moves

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