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

EGTB: loss in 9 half-moves

# move score
1 Rb1 loss in 8 half-moves
2 g4 loss in 4 half-moves
3 Nf1 loss in 4 half-moves
4 Rb3 loss in 4 half-moves
5 g3 loss in 2 half-moves
6 Nf3 loss in 2 half-moves
7 Ng4 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rb6 loss in 1 half-moves