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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 win in 3 half-moves
3 Kb2 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Rb1 win in 3 half-moves
6 Kb3 win in 5 half-moves
7 Ka1 draw
8 Kb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb7 draw
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves