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 Kd7 draw
3 Ke7 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb5 draw
8 Rb7 draw
9 Kd8 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg4 loss in 1 half-moves
13 Kg5 loss in 1 half-moves
14 Kg6 loss in 1 half-moves
15 Kh4 loss in 1 half-moves
16 Kh6 loss in 1 half-moves
17 Ra8 loss in 1 half-moves
18 Rb6 loss in 1 half-moves
19 Rc8 loss in 1 half-moves
20 Rd8 loss in 1 half-moves