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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kg7 draw
3 Rg1 draw
4 Rg5 draw
5 Rg6 draw
6 Rg7 draw
7 Kh7 loss in 10 half-moves
8 Kg6 loss in 4 half-moves
9 Rh8 loss in 4 half-moves
10 Kg5 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rd8 loss in 1 half-moves
18 Rg2 loss in 1 half-moves
19 Rg3 loss in 1 half-moves