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 Kc4 draw
3 Kd3 draw
4 Kd5 draw
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Kg7 draw
9 Kh7 draw
10 Kh8 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Ra5 draw
15 Ra6 draw
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kf8 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