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 Ra8 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Kb8 draw
7 Kc1 draw
8 Kc8 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ra3 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Ka2 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Ra2 loss in 2 half-moves