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

EGTB: loss in 13 half-moves

# move score
1 Rh1 loss in 12 half-moves
2 g3 loss in 10 half-moves
3 g4 loss in 7 half-moves
4 Nb1 loss in 6 half-moves
5 Ra2 loss in 6 half-moves
6 Nf1 loss in 4 half-moves
7 Rd1 loss in 4 half-moves
8 Rg1 loss in 4 half-moves
9 Nb3 loss in 2 half-moves
10 Nc4 loss in 2 half-moves
11 Ne4 loss in 2 half-moves
12 Nf3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Ra3 loss in 1 half-moves