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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 K8g7 win in 7 half-moves
3 Kg6 win in 7 half-moves
4 K7g7 draw
5 K7g8 draw
6 K8g8 draw
7 Kh6 draw
8 Rd8 draw
9 Re2 draw
10 Re7 draw
11 Rf8 draw
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves