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

EGTB: loss in 9 half-moves

# move score
1 Kb4 loss in 8 half-moves
2 Kb5 loss in 8 half-moves
3 Kb6 loss in 8 half-moves
4 Ka4 loss in 6 half-moves
5 Ka6 loss in 4 half-moves
6 Ra1 loss in 4 half-moves
7 Ra2 loss in 4 half-moves
8 Rb3 loss in 4 half-moves
9 Rc3 loss in 4 half-moves
10 Rd3 loss in 4 half-moves
11 Re3 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves