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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Rg1 draw
3 Rg2 draw
4 Rg3 draw
5 Rg6 draw
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kcc7 loss in 2 half-moves
9 Kcd7 loss in 2 half-moves
10 Kdc7 loss in 2 half-moves
11 Kdd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg7 loss in 2 half-moves