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 K3g3 draw
3 K3g4 draw
4 K4g3 draw
5 K4g4 draw
6 Kg2 draw
7 Kg5 draw
8 Kh2 draw
9 Kh5 draw
10 Ra8 draw
11 Re8 draw
12 Rf8 draw
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves