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 Kg7 draw
3 Kh7 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg5 draw
9 Rg6 draw
10 Ra8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg7 loss in 2 half-moves