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 Rb1 loss in 8 half-moves
3 Rh8 loss in 6 half-moves
4 Ka6 loss in 4 half-moves
5 Ka8 loss in 4 half-moves
6 Kb7 loss in 4 half-moves
7 Kb8 loss in 4 half-moves
8 Kb6 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rd1 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rh3 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Rg1 loss in 1 half-moves
19 Rh2 loss in 1 half-moves