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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ke6 draw
3 Rg8 draw
4 Rh6 loss in 4 half-moves
5 Ke5 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kg5 loss in 2 half-moves
10 Kg7 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves