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 Kd8 draw
9 Kf6 draw
10 Kf7 draw
11 Kg7 draw
12 Kh6 draw
13 Kh7 draw
14 Ra8 draw
15 Rb1 draw
16 Rb2 draw
17 Kf5 loss in 1 half-moves
18 Kg5 loss in 1 half-moves
19 Kh5 loss in 1 half-moves
20 Rb3 loss in 1 half-moves