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 Kf6 draw
3 Kf7 draw
4 Kg7 draw
5 Kh5 draw
6 Kh6 draw
7 Rd1 draw
8 Re1 draw
9 Rf1 draw
10 Rg2 draw
11 Rg3 draw
12 Rh1 draw
13 Kh7 loss in 4 half-moves
14 Kf5 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rg5 loss in 2 half-moves