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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb1 draw
5 Kb6 draw
6 Kb8 draw
7 Kc2 draw
8 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Kd1 draw
12 Kd2 draw
13 Ra1 draw
14 Ra2 draw
15 Ra3 draw
16 Ra8 draw
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves