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 Kg6 draw
3 Kg8 draw
4 Kh6 draw
5 Kh7 draw
6 Kh8 draw
7 Rb3 draw
8 Rf3 draw
9 Rg2 draw
10 Rg5 draw
11 Rh3 draw
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg6 loss in 2 half-moves