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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Nb7 win in 3 half-moves
3 Nc4 win in 3 half-moves
4 Nc6 win in 3 half-moves
5 Rc7 win in 3 half-moves
6 Rc6 win in 7 half-moves
7 Ra8 draw
8 Rb8 draw
9 Rc1 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves
18 d8=B loss in 1 half-moves
19 d8=K loss in 1 half-moves
20 d8=N loss in 1 half-moves
21 d8=Q loss in 1 half-moves
22 d8=R loss in 1 half-moves
23 Rd8 loss in 1 half-moves