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

EGTB: win in 40 half-moves

# move score
1 K7b6 win in 39 half-moves
2 Kb5 win in 39 half-moves
3 K7b7 win in 41 half-moves
4 K6b6 win in 45 half-moves
5 K6b7 win in 45 half-moves
6 Kb8 win in 45 half-moves
7 Ka5 win in 49 half-moves
8 Ra4 win in 49 half-moves
9 Rb1 win in 49 half-moves
10 Rb2 win in 49 half-moves
11 Rd4 win in 49 half-moves
12 Ka8 win in 51 half-moves
13 Rb3 win in 51 half-moves
14 Rb5 win in 51 half-moves
15 Rc4 win in 53 half-moves
16 Re4 win in 53 half-moves
17 Rf4 win in 53 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves