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 Rb3 win in 5 half-moves
3 Rb4 win in 5 half-moves
4 Kc5 win in 7 half-moves
5 Ka6 win in 9 half-moves
6 Ra5 win in 9 half-moves
7 Rb1 win in 9 half-moves
8 Rb2 win in 9 half-moves
9 Kd4 draw
10 Ke4 draw
11 Ka8 loss in 4 half-moves
12 Ke5 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke6 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 Rc5 loss in 2 half-moves