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 d8=B loss in 2 half-moves
3 d8=K loss in 2 half-moves
4 d8=N loss in 2 half-moves
5 d8=Q loss in 2 half-moves
6 d8=R loss in 2 half-moves
7 Nc2 loss in 2 half-moves
8 Nd3 loss in 2 half-moves
9 Nf3 loss in 2 half-moves
10 Ng2 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rb2 loss in 1 half-moves