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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Rg6 draw
7 Rg7 draw
8 Kd8 loss in 10 half-moves
9 Rg3 loss in 10 half-moves
10 Rg2 loss in 4 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg1 loss in 1 half-moves