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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Ke4 draw
7 Ke5 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb6 draw
12 Kd6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc5 loss in 2 half-moves