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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Kcc4 win in 7 half-moves
5 Ra3 win in 7 half-moves
6 Kcd3 win in 9 half-moves
7 Kdc4 win in 9 half-moves
8 Rc4 win in 13 half-moves
9 Kb2 draw
10 Kc2 draw
11 Kd2 draw
12 Ra1 draw
13 Ra6 draw
14 Ra7 draw
15 Ra8 draw
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kdd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra5 loss in 2 half-moves