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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Kd6 win in 7 half-moves
6 Kc6 win in 9 half-moves
7 Kc8 draw
8 Kcd7 draw
9 Kcd8 draw
10 Ke7 draw
11 Ked7 draw
12 Ked8 draw
13 Kf8 draw
14 Ra3 draw
15 Ra8 draw
16 Kf7 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves