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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc3 draw
5 Kc4 draw
6 Kc7 draw
7 Kd3 draw
8 Kd7 draw
9 Kd8 draw
10 Ke3 draw
11 Ke4 draw
12 Ke5 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Ra8 draw
17 Rb4 draw
18 Rc4 draw
19 Kd5 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves