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 K7g7 win in 13 half-moves
3 K6g6 draw
4 K6g7 draw
5 K7g6 draw
6 Kg5 draw
7 Kg8 draw
8 Kh5 draw
9 Ra8 draw
10 Re8 draw
11 Rf8 draw
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves