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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Rh8 win in 1 half-moves
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Re8 draw
8 Ka5 loss in 1 half-moves
9 Kg1 loss in 1 half-moves
10 Kg2 loss in 1 half-moves
11 Kg3 loss in 1 half-moves
12 Kh1 loss in 1 half-moves
13 Kh3 loss in 1 half-moves
14 Ra7 loss in 1 half-moves
15 Rb8 loss in 1 half-moves
16 Rc8 loss in 1 half-moves
17 Rd8 loss in 1 half-moves
18 Rf8 loss in 1 half-moves