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 Re3 loss in 4 half-moves
3 Rf1 loss in 4 half-moves
4 Rf2 loss in 4 half-moves
5 Ra3 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rc3 loss in 2 half-moves
8 Rd3 loss in 2 half-moves
9 Rf4 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Rh3 loss in 2 half-moves