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

EGTB: loss in 5 half-moves

# move score
1 c3 loss in 4 half-moves
2 Ra6 loss in 2 half-moves
3 Rb6 loss in 2 half-moves
4 Rc5 loss in 2 half-moves
5 Rc7 loss in 2 half-moves
6 Rc8 loss in 2 half-moves
7 Rd6 loss in 2 half-moves
8 Re6 loss in 2 half-moves
9 f5 loss in 1 half-moves