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

EGTB: win in 2 half-moves

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