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

EGTB: loss in 13 half-moves

# move score
1 b5 loss in 12 half-moves
2 Rb6 loss in 4 half-moves
3 Ra8 loss in 2 half-moves
4 Rb5 loss in 2 half-moves
5 Rb7 loss in 2 half-moves
6 Rc8 loss in 2 half-moves
7 Rd8 loss in 2 half-moves
8 Re8 loss in 2 half-moves
9 Rg8 loss in 2 half-moves
10 Rh8 loss in 2 half-moves
11 Rf8 loss in 1 half-moves