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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Kc7 draw
5 Kc8 draw
6 Kd7 draw
7 Ke7 draw
8 Kg5 draw
9 Kg6 draw
10 Kg7 draw
11 Kh5 draw
12 Kh7 draw
13 Ra8 draw
14 Rb1 draw
15 Rb3 draw
16 Rb4 draw
17 Rc8 draw
18 Ke8 loss in 1 half-moves
19 Rb2 loss in 1 half-moves