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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rg2 win in 3 half-moves
3 Ke3 win in 5 half-moves
4 Rh3 win in 5 half-moves
5 Ke2 loss in 2 half-moves
6 Ke4 loss in 2 half-moves
7 Kf2 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rg7 loss in 2 half-moves