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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Rh1 win in 3 half-moves
5 Nb3 win in 5 half-moves
6 Nc2 win in 5 half-moves
7 Rb2 win in 5 half-moves
8 Rb3 win in 5 half-moves
9 Rc2 win in 5 half-moves
10 Rc3 win in 5 half-moves
11 Rd1 win in 5 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves