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 Kcd7 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Ke7 win in 7 half-moves
8 Rc7 win in 7 half-moves
9 Kf8 win in 9 half-moves
10 Kc5 win in 11 half-moves
11 Kc7 win in 11 half-moves
12 Kd8 win in 11 half-moves
13 Kb5 win in 13 half-moves
14 Kd5 win in 13 half-moves
15 Ra8 win in 13 half-moves
16 Ked7 draw
17 Kf7 draw