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

EGTB: win in 2 half-moves

# move score
1 Rf7 win in 1 half-moves
2 Rf6 win in 3 half-moves
3 f6 win in 5 half-moves
4 Rd8 draw
5 Re8 draw
6 Rg8 draw
7 Rh8 draw
8 Ra8 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc8 loss in 2 half-moves