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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra8 loss in 4 half-moves
3 Nb2 loss in 2 half-moves
4 Nb6 loss in 2 half-moves
5 Nc3 loss in 2 half-moves
6 Nc5 loss in 2 half-moves
7 Ra5 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves