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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ka6 draw
3 Kba7 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Re8 draw
8 Rg8 draw
9 Kaa7 loss in 1 half-moves
10 Kb6 loss in 1 half-moves
11 Rc8 loss in 1 half-moves
12 Rd8 loss in 1 half-moves
13 Rh8 loss in 1 half-moves