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 Kc3 draw
3 Kc5 draw
4 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke4 draw
8 Ra3 draw
9 Ra5 draw
10 Ra6 draw
11 Rc4 draw
12 Kc4 loss in 8 half-moves
13 Ra2 loss in 6 half-moves
14 Ke5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Ra1 loss in 1 half-moves