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 Kf8 draw
5 Kg6 draw
6 Kg8 draw
7 Kh6 draw
8 Kh7 draw
9 Kh8 draw
10 Rf1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg5 draw
14 Rh1 draw
15 Rd1 loss in 4 half-moves
16 Re1 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rc1 loss in 1 half-moves