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

EGTB: loss in 5 half-moves

# move score
1 Rb6 loss in 4 half-moves
2 Rb7 loss in 4 half-moves
3 Rb8 loss in 4 half-moves
4 Kc7 loss in 2 half-moves
5 Kc8 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Ke7 loss in 2 half-moves
8 Ke8 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb1 loss in 1 half-moves
14 Rc3 loss in 1 half-moves
15 Rd3 loss in 1 half-moves
16 Re3 loss in 1 half-moves
17 Rf3 loss in 1 half-moves
18 Rg3 loss in 1 half-moves
19 Rh3 loss in 1 half-moves