Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Kg4 draw
3 Kg5 draw
4 Kg6 draw
5 Kh4 draw
6 Kh6 draw
7 Rd8 draw
8 Re8 draw
9 Rg1 draw
10 Rg2 draw
11 Rg4 draw
12 Rh8 draw
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves