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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Kf6 win in 7 half-moves
4 Kf5 win in 9 half-moves
5 Kf7 draw
6 Kg5 draw
7 Kg7 draw
8 Kh5 draw
9 Kh6 draw
10 Kh7 draw
11 Ra8 draw
12 Rf8 draw
13 Rg8 draw
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc8 loss in 2 half-moves