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