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 Rb4 win in 5 half-moves
3 Rb5 win in 7 half-moves
4 Rb6 win in 9 half-moves
5 Ra8 draw
6 Rc8 draw
7 Nb7 loss in 2 half-moves
8 Nc6 loss in 2 half-moves
9 Ne6 loss in 2 half-moves
10 Nf7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb7 loss in 2 half-moves