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 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Ra7 win in 7 half-moves
6 Ka6 win in 9 half-moves
7 Ka5 win in 11 half-moves
8 Ka4 draw
9 Kb4 draw
10 Kc8 draw
11 Ke8 draw
12 Ra1 draw
13 Ra5 draw
14 Ra6 draw
15 Rb8 draw
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 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 Rc8 loss in 2 half-moves