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 Ka7 win in 9 half-moves
3 Kb7 win in 9 half-moves
4 Kc3 win in 9 half-moves
5 Rb3 win in 9 half-moves
6 Rc3 win in 9 half-moves
7 Ka8 draw
8 Kc2 draw
9 Kc7 draw
10 Kc8 draw
11 Kd2 draw
12 Kd4 draw
13 Ke2 draw
14 Ke3 draw
15 Ke4 draw
16 Ra1 draw
17 Ra2 draw
18 Ra4 draw
19 Ra5 draw
20 Ra8 draw
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves