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

EGTB: loss in 17 half-moves

# move score
1 Kb6 loss in 16 half-moves
2 Kb4 loss in 12 half-moves
3 Kb5 loss in 10 half-moves
4 Ka6 loss in 8 half-moves
5 Ra7 loss in 8 half-moves
6 Ka4 loss in 6 half-moves
7 Rb8 loss in 6 half-moves
8 Ra6 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves