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 Kc5 draw
3 Kc6 draw
4 Kd6 draw
5 Ke5 draw
6 Ke6 draw
7 Ra5 draw
8 Rb3 draw
9 Rb4 draw
10 Rb6 draw
11 Rb8 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rc5 loss in 2 half-moves