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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ra1 win in 7 half-moves
3 Rb6 win in 7 half-moves
4 Rb7 win in 7 half-moves
5 Rb8 win in 7 half-moves
6 Rc1 win in 7 half-moves
7 Nb2 loss in 2 half-moves
8 Nc3 loss in 2 half-moves
9 Ne3 loss in 2 half-moves
10 Nf2 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves