Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke5 draw
5 Kf5 draw
6 Ra6 draw
7 Ra7 draw
8 Ra8 draw
9 Rb4 draw
10 Rc4 draw
11 Kd3 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rd4 loss in 2 half-moves