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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka1 win in 3 half-moves
3 Ka3 win in 3 half-moves
4 Kc1 win in 3 half-moves
5 Ke1 win in 3 half-moves
6 Ke2 win in 3 half-moves
7 Rc1 win in 3 half-moves
8 Kb3 win in 9 half-moves
9 Ra1 win in 9 half-moves
10 Kb2 draw
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves