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

EGTB: loss in 13 half-moves

# move score
1 Kb7 loss in 12 half-moves
2 Kb5 loss in 10 half-moves
3 Kb6 loss in 8 half-moves
4 Ka7 loss in 6 half-moves
5 Ra7 loss in 6 half-moves
6 Ka5 loss in 4 half-moves
7 Rb8 loss in 4 half-moves
8 Rc8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves