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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb5 win in 11 half-moves
3 Kb6 win in 13 half-moves
4 Ra8 win in 15 half-moves
5 Kab7 draw
6 Ka5 loss in 2 half-moves
7 Ka7 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kcb7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves