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

EGTB: win in 4 half-moves

# move score
1 Kcb2 win in 3 half-moves
2 Kcc2 win in 3 half-moves
3 Ka1 win in 7 half-moves
4 Ka2 win in 7 half-moves
5 Kb3 win in 7 half-moves
6 Kd3 win in 7 half-moves
7 Ra1 win in 7 half-moves
8 Kbb2 draw
9 Kbc2 draw
10 Kc1 draw
11 Kd2 draw
12 Ra2 draw
13 Ra8 draw
14 Rb3 draw
15 Kb4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves