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 Kd4 draw
3 Kd5 draw
4 Kd7 draw
5 Kd8 draw
6 Ke5 draw
7 Ke7 draw
8 Kf4 draw
9 Kf5 draw
10 Kf7 draw
11 Kf8 draw
12 Ra5 draw
13 Ra6 draw
14 Ra7 draw
15 Ra8 draw
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves