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

EGTB: loss in 5 half-moves

# move score
1 Ra8 loss in 4 half-moves
2 Rd8 loss in 4 half-moves
3 Rg4 loss in 4 half-moves
4 Rg7 loss in 4 half-moves
5 Rh8 loss in 4 half-moves
6 g4 loss in 2 half-moves
7 Nb4 loss in 2 half-moves
8 Nc1 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg6 loss in 2 half-moves