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

EGTB: loss in 7 half-moves

# move score
1 Rf7 loss in 6 half-moves
2 Rg7 loss in 4 half-moves
3 Rh7 loss in 4 half-moves
4 g3 loss in 2 half-moves
5 g4 loss in 2 half-moves
6 Nb5 loss in 2 half-moves
7 Nc6 loss in 2 half-moves
8 Nc8 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rb3 loss in 1 half-moves
18 Rb4 loss in 1 half-moves