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

EGTB: win in 54 half-moves

# move score
1 Rf8 win in 53 half-moves
2 K7b8 win in 55 half-moves
3 Rf1 win in 55 half-moves
4 Rf2 win in 55 half-moves
5 Rf7 win in 55 half-moves
6 K7b7 loss in 4 half-moves
7 K8b7 loss in 4 half-moves
8 K8b8 loss in 4 half-moves
9 Rd6 loss in 4 half-moves
10 Re6 loss in 4 half-moves
11 Rg6 loss in 4 half-moves
12 Rh6 loss in 4 half-moves
13 Ka6 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves