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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc8 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Ke6 win in 3 half-moves
8 Ke8 win in 3 half-moves
9 Rb7 win in 3 half-moves
10 Rc7 win in 3 half-moves
11 Kc6 win in 5 half-moves
12 Ke7 win in 5 half-moves
13 Ka5 win in 9 half-moves
14 Kc7 win in 9 half-moves
15 Ra8 win in 21 half-moves