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

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc1 draw
5 Kc2 draw
6 Kc7 draw
7 Kd1 draw
8 Kd3 draw
9 Kd7 draw
10 Kd8 draw
11 Ke1 draw
12 Ke2 draw
13 Ra1 draw
14 Ra3 draw
15 Ra4 draw
16 Ra8 draw
17 Rb2 draw
18 Rc2 draw
19 Ke3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves