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