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 Rb2 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 Be7 loss in 4 half-moves
6 Bd8 loss in 2 half-moves
7 Be1 loss in 2 half-moves
8 Bf2 loss in 2 half-moves
9 Bf6 loss in 2 half-moves
10 Bg3 loss in 2 half-moves
11 Bg5 loss in 2 half-moves
12 Nf6 loss in 2 half-moves
13 Nf8 loss in 2 half-moves
14 Ng5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rf7 loss in 1 half-moves