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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kb8 win in 5 half-moves
5 Kc8 win in 5 half-moves
6 Ke7 win in 5 half-moves
7 Ke8 win in 5 half-moves
8 Kf8 win in 5 half-moves
9 Rb4 win in 5 half-moves
10 Kb6 draw
11 Kc6 draw
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Ke6 draw
16 Kf6 draw
17 Kg7 draw
18 Kg8 draw
19 Ra7 draw
20 Kg6 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