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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb4 win in 9 half-moves
3 Rb7 win in 9 half-moves
4 Kc6 win in 11 half-moves
5 Kc7 win in 11 half-moves
6 Kc8 win in 11 half-moves
7 Ka5 win in 13 half-moves
8 Kb3 win in 13 half-moves
9 Ka3 draw
10 Kd6 draw
11 Kd8 draw
12 Ke8 draw
13 Ra8 draw
14 Rc7 draw
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves