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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 Rc7 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 f8=B loss in 2 half-moves
6 f8=K loss in 2 half-moves
7 f8=N loss in 2 half-moves
8 f8=Q loss in 2 half-moves
9 f8=R loss in 2 half-moves
10 Nb3 loss in 2 half-moves
11 Nc2 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rd5 loss in 1 half-moves
21 Rh5 loss in 1 half-moves