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 Rb4 win in 3 half-moves
3 Rb5 win in 7 half-moves
4 Rb6 win in 7 half-moves
5 Rb7 win in 7 half-moves
6 Rb8 win in 7 half-moves
7 Nc6 loss in 2 half-moves
8 Nc8 loss in 2 half-moves
9 Nd5 loss in 2 half-moves
10 Nf5 loss in 2 half-moves
11 Ng6 loss in 2 half-moves
12 Ng8 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rf3 loss in 1 half-moves
20 Rh3 loss in 1 half-moves