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

EGTB: loss in 5 half-moves

# move score
1 Rg1 loss in 4 half-moves
2 d8=B loss in 2 half-moves
3 d8=K loss in 2 half-moves
4 d8=N loss in 2 half-moves
5 d8=Q loss in 2 half-moves
6 d8=R loss in 2 half-moves
7 Nf2 loss in 2 half-moves
8 Ng3 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Ra3 loss in 1 half-moves