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

EGTB: loss in 7 half-moves

# move score
1 Ra8 loss in 6 half-moves
2 Rc8 loss in 6 half-moves
3 Rd8 loss in 6 half-moves
4 Rf8 loss in 4 half-moves
5 Rh8 loss in 4 half-moves
6 f7 loss in 2 half-moves
7 Re2 loss in 2 half-moves
8 Re6 loss in 2 half-moves
9 Re7 loss in 2 half-moves
10 Rg8 loss in 2 half-moves
11 Rb8 loss in 1 half-moves
12 Re1 loss in 1 half-moves
13 Re3 loss in 1 half-moves
14 Re4 loss in 1 half-moves
15 Re5 loss in 1 half-moves