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 Ka6 draw
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Ra8 draw
7 Rd8 draw
8 Re7 draw
9 Rh8 draw
10 Ka8 loss in 10 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 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