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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Ke6 win in 3 half-moves
5 Ra8 win in 9 half-moves
6 Kd8 draw
7 Ke8 draw
8 Kc7 loss in 4 half-moves
9 Ke7 loss in 4 half-moves
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves