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 Kdc8 win in 9 half-moves
8 Kcc8 draw
9 Kcd7 draw
10 Ke8 draw
11 Ra5 draw
12 Ra7 draw
13 Rc8 draw
14 Kdd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves