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

EGTB: loss in 13 half-moves

# move score
1 Kb6 loss in 12 half-moves
2 Rb7 loss in 12 half-moves
3 Kb5 loss in 8 half-moves
4 Kb7 loss in 6 half-moves
5 Ka5 loss in 4 half-moves
6 Ra8 loss in 4 half-moves
7 Rc7 loss in 2 half-moves
8 Rd7 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Rf7 loss in 2 half-moves
11 Rg7 loss in 2 half-moves
12 Rh7 loss in 2 half-moves