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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb8 win in 3 half-moves
3 Kb8 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Kc8 win in 5 half-moves
6 Ke6 win in 5 half-moves
7 Ke8 win in 5 half-moves
8 Ked6 win in 5 half-moves
9 Ked7 win in 5 half-moves
10 Ked8 win in 5 half-moves
11 Rb5 win in 5 half-moves
12 Kb6 win in 15 half-moves
13 Kcd6 draw
14 Kcd7 draw
15 Kcd8 draw
16 Kf7 draw
17 Kf8 draw
18 Ra7 draw
19 Rb6 draw
20 Kf6 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rb4 loss in 2 half-moves