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 Kcd5 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Kb6 win in 5 half-moves
7 Kc4 win in 5 half-moves
8 Ke6 win in 5 half-moves
9 Ra6 draw
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kdd5 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves