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 Kg6 loss in 2 half-moves
3 Kg7 loss in 2 half-moves
4 Kg8 loss in 2 half-moves
5 Kh6 loss in 2 half-moves
6 Kh8 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rb5 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rd4 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves