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 Kc7 draw
5 Kc8 draw
6 Rc8 draw
7 Rd8 draw
8 Re7 draw
9 Rf8 draw
10 Rg8 draw
11 Ka8 loss in 10 half-moves
12 Re4 loss in 4 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re1 loss in 1 half-moves