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 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Re8 draw
7 Rh7 draw
8 Kb8 loss in 10 half-moves
9 Rh6 loss in 4 half-moves
10 Rd8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rh1 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh4 loss in 1 half-moves