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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb2 draw
8 Kb3 draw
9 Kb6 draw
10 Kb8 draw
11 Kc7 draw
12 Kc8 draw
13 Rb1 draw
14 Rc1 draw
15 Rd1 draw
16 Rh1 draw
17 Kc6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves