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 Ka8 draw
4 Kc7 draw
5 Ra8 draw
6 Rf8 loss in 20 half-moves
7 Kc6 loss in 10 half-moves
8 Ka6 loss in 6 half-moves
9 Kb6 loss in 4 half-moves
10 Kc8 loss in 4 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves