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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Bf6 draw
3 Ra1 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rg1 draw
8 Rh1 draw
9 Ba1 loss in 2 half-moves
10 Bb2 loss in 2 half-moves
11 Bc3 loss in 2 half-moves
12 Bd4 loss in 2 half-moves
13 Be5 loss in 2 half-moves
14 Bf8 loss in 2 half-moves
15 Bh8 loss in 2 half-moves
16 Nf2 loss in 2 half-moves
17 Nf4 loss in 2 half-moves
18 Ng1 loss in 2 half-moves
19 Ng5 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Bh6 loss in 1 half-moves