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

EGTB: loss in 5 half-moves

# move score
1 Rb1 loss in 4 half-moves
2 Rb2 loss in 4 half-moves
3 Ra3 loss in 2 half-moves
4 Rb4 loss in 2 half-moves
5 Rc3 loss in 2 half-moves
6 Rd3 loss in 2 half-moves
7 Re3 loss in 2 half-moves
8 Rf3 loss in 2 half-moves
9 Rg3 loss in 2 half-moves
10 Rh3 loss in 2 half-moves
11 b6 loss in 1 half-moves