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

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc4 draw
5 Kd2 draw
6 Kd3 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc4 loss in 2 half-moves