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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 Rc6 win in 3 half-moves
6 Kc5 win in 7 half-moves
7 Kc7 win in 7 half-moves
8 Kd5 win in 7 half-moves
9 Kd7 win in 7 half-moves
10 Ke7 win in 7 half-moves
11 Ka4 win in 13 half-moves
12 Kc6 win in 13 half-moves
13 Ke6 win in 13 half-moves
14 Ra7 win in 17 half-moves
15 Ra8 draw
16 Ke5 loss in 2 half-moves