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 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke4 draw
8 Ke5 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Kh5 draw
13 Kh7 draw
14 Ra1 draw
15 Ra2 draw
16 Ra3 draw
17 Ra5 draw
18 Ra6 draw
19 Kc5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rc4 loss in 2 half-moves