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

EGTB: loss in 5 half-moves

# move score
1 f6 loss in 4 half-moves
2 Re7 loss in 4 half-moves
3 Rf6 loss in 4 half-moves
4 Rf8 loss in 4 half-moves
5 Ra7 loss in 2 half-moves
6 Rb7 loss in 2 half-moves
7 Rc7 loss in 2 half-moves
8 Rd7 loss in 2 half-moves
9 Rg7 loss in 2 half-moves
10 Rh7 loss in 2 half-moves