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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Rf8 draw
3 Kg3 loss in 2 half-moves
4 Kg4 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kh3 loss in 2 half-moves
7 Kh5 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Rg2 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh8 loss in 2 half-moves
16 Ra8 loss in 1 half-moves
17 Rb8 loss in 1 half-moves
18 Rd8 loss in 1 half-moves
19 Re8 loss in 1 half-moves