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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb6 draw
5 Kc1 draw
6 Kc2 draw
7 Kc4 draw
8 Kc5 draw
9 Kd2 draw
10 Ke1 draw
11 Ke2 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Ra6 draw
17 Kc6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves