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

EGTB: win in 4 half-moves

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