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 Kg4 win in 7 half-moves
3 Kg5 win in 7 half-moves
4 Kg6 win in 7 half-moves
5 Kg7 win in 7 half-moves
6 Kh7 win in 7 half-moves
7 Re7 win in 7 half-moves
8 Kg8 draw
9 Kh4 draw
10 Kh6 draw
11 Rd8 draw
12 Re2 draw
13 Re6 draw
14 Rf8 draw
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves