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 Kc6 draw
3 Kc7 draw
4 Kd7 draw
5 Ke6 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb5 draw
10 Rb7 draw
11 Rb8 draw
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves