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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Nb8 draw
3 Nf8 draw
4 Rb5 draw
5 Rb6 draw
6 Rb8 draw
7 Rc7 draw
8 Ra7 loss in 4 half-moves
9 Nb6 loss in 2 half-moves
10 Nc5 loss in 2 half-moves
11 Ne5 loss in 2 half-moves
12 Nf6 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves