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 Kg6 draw
3 Kg7 draw
4 Ke8 loss in 8 half-moves
5 Kf6 loss in 8 half-moves
6 Kg8 loss in 8 half-moves
7 Rb8 loss in 6 half-moves
8 Rh8 loss in 6 half-moves
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves