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