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 Kg2 draw
3 Kh1 draw
4 Kh2 draw
5 Ra5 draw
6 Re5 draw
7 Rf5 draw
8 Rg6 draw
9 Rg7 draw
10 Rg8 draw
11 Rh5 draw
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves