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

EGTB: loss in 9 half-moves

# move score
1 Kb5 loss in 8 half-moves
2 Kb3 loss in 6 half-moves
3 Kb4 loss in 6 half-moves
4 Ka3 loss in 4 half-moves
5 Ka5 loss in 4 half-moves
6 Ra8 loss in 4 half-moves
7 Rb7 loss in 4 half-moves
8 Rc7 loss in 4 half-moves
9 Rd7 loss in 4 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves