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 Kc7 draw
3 Kc8 draw
4 Kd8 draw
5 Ke8 draw
6 Rb1 draw
7 Rb2 draw
8 Rb6 draw
9 Rb8 draw
10 Ke7 loss in 4 half-moves
11 Kc6 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rb3 loss in 1 half-moves
17 Rb4 loss in 1 half-moves