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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kc7 draw
6 Kc8 draw
7 Kd1 draw
8 Kd2 draw
9 Kd6 draw
10 Kd8 draw
11 Ke7 draw
12 Ke8 draw
13 Ra1 draw
14 Ra5 draw
15 Ra6 draw
16 Ra8 draw
17 Rb7 draw
18 Rc7 draw
19 Ke6 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves