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 Kc6 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Kf7 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Ke7 win in 5 half-moves
8 Ked6 win in 5 half-moves
9 Ked7 win in 5 half-moves
10 Rb6 win in 5 half-moves
11 Kb8 draw
12 Kc8 draw
13 Kcd7 draw
14 Kd8 draw
15 Kf6 draw
16 Ra7 draw
17 Rb5 draw
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Kf5 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves