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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kg4 draw
3 Kg6 draw
4 Re8 draw
5 Rg7 draw
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kh4 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves