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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Nf4 draw
3 Ng5 draw
4 Rh7 draw
5 Nf2 loss in 6 half-moves
6 Ng1 loss in 6 half-moves
7 d8=N loss in 4 half-moves
8 Rd8 loss in 4 half-moves
9 Rg8 loss in 4 half-moves
10 d8=B loss in 2 half-moves
11 d8=K loss in 2 half-moves
12 d8=Q loss in 2 half-moves
13 d8=R loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rf8 loss in 1 half-moves