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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc6 draw
6 Kd6 draw
7 Ke5 draw
8 Ke6 draw
9 Ra5 draw
10 Rb5 draw
11 Rc4 draw
12 Rc6 draw
13 Rc7 draw
14 Rc8 draw
15 Kd4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves