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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kg7 draw
3 Kh3 draw
4 Kh5 draw
5 Kh7 draw
6 Rd8 draw
7 Rf8 draw
8 Rg1 draw
9 Rg2 draw
10 Rg6 draw
11 Rg7 draw
12 Kg3 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg5 loss in 2 half-moves