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

EGTB: loss in 9 half-moves

# move score
1 Rb2 loss in 8 half-moves
2 Rb3 loss in 8 half-moves
3 b5 loss in 4 half-moves
4 Ra1 loss in 2 half-moves
5 Rc1 loss in 2 half-moves
6 Rd1 loss in 2 half-moves
7 Re1 loss in 2 half-moves
8 Rf1 loss in 2 half-moves
9 Rg1 loss in 2 half-moves
10 Rh1 loss in 2 half-moves