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