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 Kb6 draw
3 Kb7 draw
4 Re7 draw
5 Rh8 draw
6 Ra8 loss in 20 half-moves
7 Ka8 loss in 10 half-moves
8 Kb8 loss in 10 half-moves
9 Ka6 loss in 6 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Re4 loss in 1 half-moves
18 Re5 loss in 1 half-moves
19 Re6 loss in 1 half-moves