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

EGTB: loss in 27 half-moves

# move score
1 Kb2 loss in 26 half-moves
2 Kb3 loss in 26 half-moves
3 Kb4 loss in 10 half-moves
4 Ka2 loss in 6 half-moves
5 Ka4 loss in 4 half-moves
6 Rb1 loss in 4 half-moves
7 Rc1 loss in 4 half-moves
8 Rd1 loss in 4 half-moves
9 Ra2 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rh1 loss in 2 half-moves