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 Na2 loss in 2 half-moves
3 Na4 loss in 2 half-moves
4 Nb1 loss in 2 half-moves
5 Nb5 loss in 2 half-moves
6 Nd1 loss in 2 half-moves
7 Nd5 loss in 2 half-moves
8 Ne2 loss in 2 half-moves
9 Ne4 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 d8=B loss in 1 half-moves
17 d8=K loss in 1 half-moves
18 d8=N loss in 1 half-moves
19 d8=Q loss in 1 half-moves
20 d8=R loss in 1 half-moves
21 Ra7 loss in 1 half-moves