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

EGTB: loss in 9 half-moves

# move score
1 Rb7 loss in 8 half-moves
2 Ka8 loss in 6 half-moves
3 Kb7 loss in 6 half-moves
4 Ra8 loss in 6 half-moves
5 Ka6 loss in 4 half-moves
6 Kb6 loss in 4 half-moves
7 Rb5 loss in 4 half-moves
8 Rb6 loss in 4 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves