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 Kc7 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Kb7 win in 7 half-moves
7 Kcd7 draw
8 Kcd8 draw
9 Ked7 draw
10 Ked8 draw
11 Kf8 draw
12 Ra8 draw
13 Ke7 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves