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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh6 draw
6 Kh8 draw
7 Rg3 draw
8 Rg6 draw
9 Rg7 draw
10 Rg8 draw
11 Rh5 draw
12 Ra5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rd5 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rc5 loss in 1 half-moves