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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Kb7 draw
6 Kc7 draw
7 Kd7 draw
8 Rb1 draw
9 Rb2 draw
10 Kd8 loss in 1 half-moves
11 Kf5 loss in 1 half-moves
12 Kf6 loss in 1 half-moves
13 Kf7 loss in 1 half-moves
14 Kg5 loss in 1 half-moves
15 Kg7 loss in 1 half-moves
16 Kh5 loss in 1 half-moves
17 Kh6 loss in 1 half-moves
18 Kh7 loss in 1 half-moves
19 Ra8 loss in 1 half-moves
20 Rb3 loss in 1 half-moves