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 Kg6 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rf1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg5 draw
14 Ra1 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves