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 Kc8 draw
6 Ra8 draw
7 Rf8 draw
8 Ka6 loss in 14 half-moves
9 Kb6 loss in 14 half-moves
10 Kc6 loss in 2 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