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 Kg1 draw
3 Kg2 draw
4 Kh2 draw
5 Rc5 draw
6 Rd5 draw
7 Re5 draw
8 Rf5 draw
9 Rg6 draw
10 Rg7 draw
11 Rg8 draw
12 Rh5 draw
13 Ra5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves