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

EGTB: loss in 7 half-moves

# move score
1 Rb7 loss in 6 half-moves
2 d8=B loss in 2 half-moves
3 d8=K loss in 2 half-moves
4 d8=N loss in 2 half-moves
5 d8=Q loss in 2 half-moves
6 d8=R loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rc7 loss in 2 half-moves