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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Ka6 draw
4 Ka8 draw
5 Kb8 draw
6 Kc8 draw
7 Ra4 draw
8 Ra5 draw
9 Ra6 draw
10 Ra8 draw
11 Kc7 loss in 4 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves