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 Rd1 win in 3 half-moves
3 Rc1 loss in 4 half-moves
4 Na1 loss in 2 half-moves
5 Na3 loss in 2 half-moves
6 Nb4 loss in 2 half-moves
7 Nd4 loss in 2 half-moves
8 Ne1 loss in 2 half-moves
9 Ne3 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rf7 loss in 1 half-moves