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 Ra8 draw
4 Rb8 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rg1 draw
9 Rg3 draw
10 Rg6 draw
11 Rh8 loss in 10 half-moves
12 Kg7 loss in 8 half-moves
13 Rf8 loss in 8 half-moves
14 Kh6 loss in 2 half-moves
15 Kh8 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rg2 loss in 1 half-moves