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