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

EGTB: loss in 5 half-moves

# move score
1 Ka7 loss in 4 half-moves
2 Kb8 loss in 4 half-moves
3 Rb7 loss in 4 half-moves
4 Rb8 loss in 4 half-moves
5 Kb7 loss in 2 half-moves
6 Ra3 loss in 2 half-moves
7 Rb4 loss in 2 half-moves
8 Rb5 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rd3 loss in 2 half-moves
12 Re3 loss in 2 half-moves
13 Rg3 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rb1 loss in 1 half-moves
16 Rb2 loss in 1 half-moves
17 Rf3 loss in 1 half-moves