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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Kd4 draw
5 Kd5 draw
6 Kd6 draw
7 Ke4 draw
8 Ke6 draw
9 Kf4 draw
10 Kf5 draw
11 Ra3 draw
12 Rb3 draw
13 Rc3 draw
14 Rd3 draw
15 Re1 draw
16 Re2 draw
17 Re4 draw
18 Rf3 draw
19 Kf6 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves