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

EGTB: loss in 3 half-moves

# move score
1 c4 loss in 2 half-moves
2 f5 loss in 2 half-moves
3 Rb1 loss in 2 half-moves
4 Rb2 loss in 2 half-moves
5 Rb3 loss in 2 half-moves
6 Rb6 loss in 2 half-moves
7 Rb8 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Rg4 loss in 2 half-moves
11 Rh4 loss in 2 half-moves
12 Ra4 loss in 1 half-moves
13 Rb5 loss in 1 half-moves
14 Rb7 loss in 1 half-moves
15 Re4 loss in 1 half-moves
16 Rf4 loss in 1 half-moves