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

EGTB: win in 10 half-moves

# move score
1 f6 win in 9 half-moves
2 Ra8 win in 9 half-moves
3 Rb8 win in 9 half-moves
4 Rf7 win in 11 half-moves
5 Rg8 win in 11 half-moves
6 Rh8 win in 11 half-moves
7 Rf6 win in 13 half-moves
8 Rc8 draw
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves