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

EGTB: loss in 9 half-moves

# move score
1 Ra1 loss in 8 half-moves
2 Rb2 loss in 8 half-moves
3 Rc1 loss in 8 half-moves
4 Rb3 loss in 6 half-moves
5 Ne2 loss in 2 half-moves
6 Nf3 loss in 2 half-moves
7 Nh3 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rb5 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves