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 Kc7 draw
5 Kf4 draw
6 Kf5 draw
7 Kf6 draw
8 Kg4 draw
9 Kg6 draw
10 Kh4 draw
11 Kh5 draw
12 Kh6 draw
13 Ra8 draw
14 Rb2 draw
15 Rb3 draw
16 Rb7 draw
17 Kb7 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb1 loss in 1 half-moves