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

EGTB: loss in 5 half-moves

# move score
1 Rb1 loss in 4 half-moves
2 Kg7 loss in 2 half-moves
3 Kg8 loss in 2 half-moves
4 Kh7 loss in 2 half-moves
5 Rb2 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Ra4 loss in 1 half-moves
14 Rb5 loss in 1 half-moves
15 Rd4 loss in 1 half-moves
16 Re4 loss in 1 half-moves
17 Rf4 loss in 1 half-moves