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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rc8 draw
6 Re8 draw
7 Rf8 draw
8 Rg4 draw
9 Rg6 draw
10 Rg7 draw
11 Rg3 loss in 6 half-moves
12 Rb8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rg2 loss in 2 half-moves
16 Rg5 loss in 2 half-moves