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 Nc2 win in 5 half-moves
3 Nd3 win in 5 half-moves
4 Nf3 win in 5 half-moves
5 Ng2 win in 5 half-moves
6 Ra1 win in 7 half-moves
7 Rb2 win in 7 half-moves
8 Rb3 win in 7 half-moves
9 Rc1 win in 7 half-moves
10 Rd1 win in 7 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves