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

EGTB: loss in 5 half-moves

# move score
1 Rb1 loss in 4 half-moves
2 Ra2 loss in 2 half-moves
3 Rb3 loss in 2 half-moves
4 Rb4 loss in 2 half-moves
5 Rc2 loss in 2 half-moves
6 Rd2 loss in 2 half-moves
7 Re2 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rg2 loss in 2 half-moves
10 Rh2 loss in 2 half-moves