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 Kb6 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kc8 win in 3 half-moves
6 Kcd8 win in 3 half-moves
7 Kd6 win in 3 half-moves
8 Rb6 win in 3 half-moves
9 Ke7 win in 5 half-moves
10 Ked7 win in 5 half-moves
11 Ked8 win in 5 half-moves
12 Kf7 win in 5 half-moves
13 Kf8 win in 5 half-moves
14 Rb5 win in 5 half-moves
15 Rb8 win in 5 half-moves
16 Kcd7 draw
17 Ra7 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves