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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Kdc7 win in 5 half-moves
7 Kdd8 win in 5 half-moves
8 Ra7 win in 5 half-moves
9 Kcd8 win in 9 half-moves
10 Ra1 win in 9 half-moves
11 Ra2 win in 9 half-moves
12 Ra4 win in 9 half-moves
13 Ra5 win in 9 half-moves
14 Ra3 draw
15 Kb7 loss in 2 half-moves
16 Kcc7 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves