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 Kh4 draw
4 Ra8 draw
5 Rg4 draw
6 Rg5 draw
7 Rg7 draw
8 Kh6 loss in 22 half-moves
9 Kg5 loss in 4 half-moves
10 Kg6 loss in 4 half-moves
11 Rh8 loss in 4 half-moves
12 Rb8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rc8 loss in 1 half-moves