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 Ke8 win in 5 half-moves
3 Kf7 win in 5 half-moves
4 Kc8 win in 9 half-moves
5 Ka7 draw
6 Ka8 draw
7 Kb7 draw
8 Kg7 draw
9 Kg8 draw
10 Rh1 draw
11 Rh2 draw
12 Rh6 draw
13 Rh7 draw
14 Kc7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves