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 9 half-moves
3 Kg5 win in 9 half-moves
4 K7g7 win in 11 half-moves
5 Kh5 win in 15 half-moves
6 K6g7 draw
7 K7g6 draw
8 Kg8 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rf8 draw
13 Ra8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves