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

EGTB: win in 2 half-moves

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