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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb2 draw
5 Kb3 draw
6 Kf2 draw
7 Kf3 draw
8 Kf4 draw
9 Kg2 draw
10 Kg4 draw
11 Kh2 draw
12 Kh3 draw
13 Kh4 draw
14 Ra1 draw
15 Rb1 draw
16 Rc1 draw
17 Rg2 draw
18 Rh1 draw
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rf1 loss in 2 half-moves