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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Ra4 loss in 4 half-moves
4 Ra5 loss in 4 half-moves
5 Ra7 loss in 4 half-moves
6 Nb3 loss in 2 half-moves
7 Nc2 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rh6 loss in 2 half-moves
14 Ra8 loss in 1 half-moves
15 Rd6 loss in 1 half-moves