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

EGTB: loss in 11 half-moves

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