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 g4 loss in 2 half-moves
3 Ra3 loss in 2 half-moves
4 Rb4 loss in 2 half-moves
5 Rb5 loss in 2 half-moves
6 Rb6 loss in 2 half-moves
7 Rb7 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rd3 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Rf3 loss in 2 half-moves
12 Rb2 loss in 1 half-moves
13 Rc3 loss in 1 half-moves