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 Ka6 win in 3 half-moves
3 Ka8 win in 3 half-moves
4 Kb4 win in 3 half-moves
5 Kb7 win in 3 half-moves
6 Kb8 win in 3 half-moves
7 Kc4 win in 3 half-moves
8 Ra3 win in 3 half-moves
9 Rb2 win in 3 half-moves
10 Rb4 win in 3 half-moves
11 Kb6 win in 5 half-moves
12 Kd3 win in 9 half-moves
13 Kb2 draw
14 Kc2 draw
15 Kd2 draw
16 Kd4 draw
17 Rb5 draw
18 Rb6 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves