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

EGTB: win in 4 half-moves

# move score
1 Kg8 win in 3 half-moves
2 Rc8 draw
3 Rd8 draw
4 Re8 draw
5 Kf4 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kgg6 loss in 2 half-moves
11 Kgh6 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Khg6 loss in 2 half-moves
15 Khh6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves