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 Ra5 draw
11 Rb5 draw
12 Rc5 draw
13 Rg3 draw
14 Rg6 draw
15 Rh5 draw
16 Rd5 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves