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 Nf7 loss in 2 half-moves
3 Ng6 loss in 2 half-moves
4 Ra8 loss in 2 half-moves
5 Rb2 loss in 2 half-moves
6 Rb3 loss in 2 half-moves
7 Rb5 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rb4 loss in 1 half-moves
14 Rd8 loss in 1 half-moves
15 Rf8 loss in 1 half-moves