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