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

EGTB: loss in 3 half-moves

# move score
1 f4 loss in 2 half-moves
2 Rb8 loss in 2 half-moves
3 Rc8 loss in 2 half-moves
4 Rd8 loss in 2 half-moves
5 Re8 loss in 2 half-moves
6 Rf6 loss in 2 half-moves
7 Rh8 loss in 2 half-moves
8 c4 loss in 1 half-moves
9 Ra8 loss in 1 half-moves
10 Rf7 loss in 1 half-moves
11 Rg8 loss in 1 half-moves