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 Rc1 win in 3 half-moves
4 Rc4 win in 3 half-moves
5 Rf7 win in 3 half-moves
6 Ra7 win in 5 half-moves
7 Rb5 win in 5 half-moves
8 Rb6 win in 5 half-moves
9 Rb8 win in 5 half-moves
10 Rc5 win in 5 half-moves
11 Rc6 win in 5 half-moves
12 Rc8 win in 5 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves