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 Kc7 win in 3 half-moves
5 Kd4 win in 3 half-moves
6 Kd5 win in 3 half-moves
7 Kd7 win in 3 half-moves
8 Ke7 win in 3 half-moves
9 Rc6 win in 3 half-moves
10 Rc7 win in 3 half-moves
11 Kc4 win in 5 half-moves
12 Kc6 win in 5 half-moves
13 Kd6 win in 5 half-moves
14 Ke8 win in 5 half-moves
15 Ra8 win in 15 half-moves
16 Rb8 win in 15 half-moves