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 Kd7 draw
3 Kd8 draw
4 Kg5 draw
5 Kg6 draw
6 Kg7 draw
7 Kh5 draw
8 Kh7 draw
9 Ra8 draw
10 Kb7 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Rb2 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