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

EGTB: loss in 9 half-moves

# move score
1 Rb7 loss in 8 half-moves
2 Kf5 loss in 4 half-moves
3 Rf8 loss in 4 half-moves
4 Ke5 loss in 2 half-moves
5 Ke6 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves