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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Kg1 loss in 8 half-moves
3 Kg2 loss in 8 half-moves
4 Rh8 loss in 8 half-moves
5 Kh2 loss in 6 half-moves
6 Ra8 loss in 4 half-moves
7 Rb8 loss in 4 half-moves
8 Rd8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg1 loss in 2 half-moves
12 Rg2 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rc8 loss in 1 half-moves