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 Kd3 draw
3 Kd5 draw
4 Ke3 draw
5 Ke5 draw
6 Kf3 draw
7 Kf4 draw
8 Kf5 draw
9 Ra3 draw
10 Ra5 draw
11 Kd4 loss in 12 half-moves
12 Ra2 loss in 10 half-moves
13 Ra6 loss in 4 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Ra1 loss in 1 half-moves