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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ke6 win in 7 half-moves
3 Kg6 win in 7 half-moves
4 Kg7 win in 7 half-moves
5 Kh7 win in 7 half-moves
6 Rh8 win in 7 half-moves
7 Ra8 win in 11 half-moves
8 Rb8 win in 11 half-moves
9 Rc8 win in 11 half-moves
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Kf6 draw
14 Kf7 draw
15 Kf8 draw
16 Kg5 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves