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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re4 win in 3 half-moves
3 Re5 draw
4 Rf7 draw
5 Rg7 draw
6 Re2 loss in 4 half-moves
7 Re3 loss in 4 half-moves
8 d8=B loss in 2 half-moves
9 d8=K loss in 2 half-moves
10 d8=N loss in 2 half-moves
11 d8=Q loss in 2 half-moves
12 d8=R loss in 2 half-moves
13 Nd1 loss in 2 half-moves
14 Nd3 loss in 2 half-moves
15 Ne4 loss in 2 half-moves
16 Ng4 loss in 2 half-moves
17 Nh1 loss in 2 half-moves
18 Nh3 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rh7 loss in 2 half-moves