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 Kg5 draw
3 Kh5 draw
4 Rb3 draw
5 Rc3 draw
6 Rd3 draw
7 Rg1 draw
8 Rg2 draw
9 Rh3 draw
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves