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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc2 loss in 4 half-moves
3 Rc8 loss in 4 half-moves
4 Nd1 loss in 2 half-moves
5 Nd3 loss in 2 half-moves
6 Ne4 loss in 2 half-moves
7 Ng4 loss in 2 half-moves
8 Nh1 loss in 2 half-moves
9 Nh3 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Ra7 loss in 1 half-moves
19 Rc5 loss in 1 half-moves
20 Rg7 loss in 1 half-moves