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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Ke5 draw
3 Kf5 draw
4 Kg4 draw
5 Kg5 draw
6 Ra5 draw
7 Ra6 draw
8 Rb4 draw
9 Rc4 draw
10 Ra8 loss in 4 half-moves
11 Ke3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kg3 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 Re4 loss in 2 half-moves
19 Ra7 loss in 1 half-moves