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

EGTB: loss in 11 half-moves

# move score
1 Rb1 loss in 10 half-moves
2 Ra1 loss in 6 half-moves
3 Rf1 loss in 4 half-moves
4 Rh1 loss in 4 half-moves
5 Ka6 loss in 2 half-moves
6 Ka8 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Re2 loss in 1 half-moves
13 Re3 loss in 1 half-moves
14 Re4 loss in 1 half-moves
15 Re5 loss in 1 half-moves
16 Re6 loss in 1 half-moves
17 Re7 loss in 1 half-moves
18 Re8 loss in 1 half-moves
19 Rg1 loss in 1 half-moves