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