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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Nb3 loss in 2 half-moves
3 Nb7 loss in 2 half-moves
4 Nc4 loss in 2 half-moves
5 Nc6 loss in 2 half-moves
6 Ra1 loss in 2 half-moves
7 Rc1 loss in 2 half-moves
8 Rd1 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Re3 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Re5 loss in 1 half-moves
18 Rg1 loss in 1 half-moves