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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Kb6 win in 5 half-moves
3 Kcd6 win in 5 half-moves
4 Kd5 win in 5 half-moves
5 Rb7 win in 5 half-moves
6 Kb7 win in 7 half-moves
7 Kc5 win in 7 half-moves
8 Ra7 win in 7 half-moves
9 Kc8 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kdd6 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves