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

EGTB: win in 40 half-moves

# move score
1 K2b3 win in 39 half-moves
2 Kb4 win in 39 half-moves
3 Kb5 win in 39 half-moves
4 K4b3 win in 41 half-moves
5 Kb2 win in 41 half-moves
6 K2a3 win in 45 half-moves
7 Kb1 win in 45 half-moves
8 Ra6 win in 45 half-moves
9 Ra5 win in 47 half-moves
10 Ra8 win in 47 half-moves
11 Rc7 win in 47 half-moves
12 Rd7 win in 47 half-moves
13 K4a3 win in 49 half-moves
14 Ka1 win in 49 half-moves
15 Ka5 win in 49 half-moves
16 Rb7 win in 49 half-moves
17 Re7 win in 49 half-moves
18 Rf7 win in 49 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves