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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd7 draw
5 Ke6 draw
6 Ke7 draw
7 Rb1 draw
8 Rb5 draw
9 Rb8 draw
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc6 loss in 2 half-moves