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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kd4 win in 5 half-moves
4 Ke4 win in 5 half-moves
5 Rd2 win in 5 half-moves
6 Rd4 win in 5 half-moves
7 Kd2 win in 7 half-moves
8 Ke2 win in 7 half-moves
9 Kf2 win in 11 half-moves
10 Kd5 win in 13 half-moves
11 Kf3 win in 13 half-moves
12 Rc3 win in 15 half-moves
13 Ra3 win in 17 half-moves
14 Rb3 win in 17 half-moves
15 Rd1 win in 17 half-moves
16 Kc7 draw
17 Kd7 draw
18 Ke5 draw
19 Ke6 draw
20 Ke7 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves