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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Ka7 draw
3 Kc2 draw
4 Kc3 draw
5 Kd2 draw
6 Kd4 draw
7 Ke2 draw
8 Ke3 draw
9 Ke4 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb7 draw
16 Rh6 draw
17 Ka5 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Kb7 loss in 1 half-moves