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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc4 draw
6 Kc6 draw
7 Kc8 draw
8 Kd5 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ke5 draw
13 Ra4 draw
14 Rb5 draw
15 Rb6 draw
16 Rb7 draw
17 Rb8 draw
18 Kc3 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc4 loss in 2 half-moves