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

EGTB: loss in 21 half-moves

# move score
1 Kb6 loss in 20 half-moves
2 Kb5 loss in 10 half-moves
3 Ka5 loss in 8 half-moves
4 Kb7 loss in 8 half-moves
5 Ka7 loss in 4 half-moves
6 Ra3 loss in 4 half-moves
7 Rb4 loss in 4 half-moves
8 Rc4 loss in 4 half-moves
9 Rd4 loss in 4 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 1 half-moves