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

EGTB: win in 46 half-moves

# move score
1 K8b7 win in 45 half-moves
2 K7b7 win in 47 half-moves
3 K8b8 win in 47 half-moves
4 Kb6 win in 47 half-moves
5 K7b8 win in 49 half-moves
6 Ka6 win in 51 half-moves
7 Ra4 win in 51 half-moves
8 Rb1 win in 51 half-moves
9 Rb2 win in 51 half-moves
10 Rd4 win in 51 half-moves
11 Rb3 win in 53 half-moves
12 Rb5 win in 53 half-moves
13 Rc4 win in 55 half-moves
14 Re4 win in 55 half-moves
15 Rf4 win in 55 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves