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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kh5 win in 5 half-moves
3 Ra8 win in 5 half-moves
4 Rf8 win in 5 half-moves
5 Rh8 win in 5 half-moves
6 Kg5 win in 7 half-moves
7 Kg3 draw
8 Kg4 draw
9 Kg6 draw
10 Kg7 draw
11 Kg8 draw
12 Kh3 draw
13 Kh6 draw
14 Kh8 draw
15 Re2 draw
16 Re7 draw
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves