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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Rc8 draw
7 Rd8 draw
8 Rf8 draw
9 Rh7 draw
10 Ka8 loss in 8 half-moves
11 Rh1 loss in 6 half-moves
12 Rh3 loss in 4 half-moves
13 Rh5 loss in 4 half-moves
14 Re8 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh4 loss in 1 half-moves