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 Kf3 loss in 2 half-moves
3 Kf4 loss in 2 half-moves
4 Kf5 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kh3 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Ra1 loss in 1 half-moves
19 Ra2 loss in 1 half-moves
20 Ra3 loss in 1 half-moves