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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kc8 loss in 8 half-moves
3 Ka8 loss in 6 half-moves
4 Rg7 loss in 6 half-moves
5 Rh8 loss in 6 half-moves
6 Rg1 loss in 4 half-moves
7 Rg2 loss in 4 half-moves
8 Ka7 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 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 Rg3 loss in 1 half-moves