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

EGTB: win in 8 half-moves

# move score
1 Kb5 win in 7 half-moves
2 Kb6 win in 7 half-moves
3 Kb7 win in 7 half-moves
4 Rb7 win in 7 half-moves
5 Rc7 win in 7 half-moves
6 Ka5 win in 13 half-moves
7 Kc7 win in 17 half-moves
8 Ke7 win in 17 half-moves
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves