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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Na7 draw
3 Nb6 draw
4 Rb2 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Nd6 loss in 2 half-moves
9 Ne7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 1 half-moves