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

EGTB: loss in 7 half-moves

# move score
1 Kb7 loss in 6 half-moves
2 Ra8 loss in 6 half-moves
3 Rg8 loss in 6 half-moves
4 Rh8 loss in 6 half-moves
5 Ka6 loss in 4 half-moves
6 Ka8 loss in 4 half-moves
7 Kb6 loss in 4 half-moves
8 Kb8 loss in 4 half-moves
9 Rf2 loss in 4 half-moves
10 Rf4 loss in 4 half-moves
11 Rf5 loss in 4 half-moves
12 Rf6 loss in 4 half-moves
13 Rf7 loss in 4 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf1 loss in 1 half-moves