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

EGTB: loss in 3 half-moves

# move score
1 a3 loss in 2 half-moves
2 Ra8 loss in 2 half-moves
3 Rb8 loss in 2 half-moves
4 Rd8 loss in 2 half-moves
5 Re8 loss in 2 half-moves
6 Rf8 loss in 2 half-moves
7 Rg1 loss in 2 half-moves
8 Rg2 loss in 2 half-moves
9 Rg4 loss in 2 half-moves
10 Rg6 loss in 2 half-moves
11 Rh8 loss in 2 half-moves
12 Rc8 loss in 1 half-moves
13 Rg3 loss in 1 half-moves
14 Rg5 loss in 1 half-moves
15 Rg7 loss in 1 half-moves