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 Rb8 win in 3 half-moves
5 Kc6 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Ked8 win in 5 half-moves
8 Kc8 draw
9 Kcd7 draw
10 Kcd8 draw
11 Ra1 draw
12 Ra7 draw
13 Rc8 draw
14 Rd8 draw
15 Ke7 loss in 2 half-moves
16 Ked7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves