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

EGTB: loss in 5 half-moves

# move score
1 Ra7 loss in 4 half-moves
2 Ka4 loss in 2 half-moves
3 Ka6 loss in 2 half-moves
4 Kb4 loss in 2 half-moves
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rf5 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Rd7 loss in 1 half-moves
17 Rf2 loss in 1 half-moves
18 Rf3 loss in 1 half-moves
19 Rf4 loss in 1 half-moves