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 Ra1 loss in 4 half-moves
3 Ra2 loss in 4 half-moves
4 Ra3 loss in 4 half-moves
5 Ra5 loss in 4 half-moves
6 Rb4 loss in 4 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rf4 loss in 1 half-moves