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

EGTB: loss in 3 half-moves

# move score
1 Ra8 loss in 2 half-moves
2 Rb8 loss in 2 half-moves
3 Rc8 loss in 2 half-moves
4 Rd8 loss in 2 half-moves
5 Re1 loss in 2 half-moves
6 Re3 loss in 2 half-moves
7 Re5 loss in 2 half-moves
8 Re7 loss in 2 half-moves
9 Rf8 loss in 2 half-moves
10 Rg8 loss in 2 half-moves
11 Rh8 loss in 2 half-moves
12 f4 loss in 1 half-moves
13 Re2 loss in 1 half-moves
14 Re4 loss in 1 half-moves
15 Re6 loss in 1 half-moves