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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Rd6 win in 3 half-moves
4 Rg6 win in 3 half-moves
5 Bb2 win in 5 half-moves
6 Bf8 win in 5 half-moves
7 Ra6 win in 5 half-moves
8 Rb5 win in 5 half-moves
9 Rb7 win in 5 half-moves
10 Rb8 win in 5 half-moves
11 Bb4 loss in 2 half-moves
12 Bc1 loss in 2 half-moves
13 Bc5 loss in 2 half-moves
14 Bd6 loss in 2 half-moves
15 Be7 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves