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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Ka1 draw
3 Kb2 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc1 draw
8 Kc2 draw
9 Kc6 draw
10 Kc8 draw
11 Kd8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra8 draw
16 Rb7 draw
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves