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 Kb7 draw
3 Kc7 draw
4 Kd8 draw
5 Kf8 draw
6 Kh8 draw
7 Ra8 draw
8 Rb7 draw
9 Kd7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 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