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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Kdc3 win in 3 half-moves
3 Rb2 win in 3 half-moves
4 Kc5 win in 5 half-moves
5 Kcc3 win in 7 half-moves
6 Kcd4 win in 7 half-moves
7 Kd5 win in 7 half-moves
8 Ra2 win in 7 half-moves
9 Rc2 win in 7 half-moves
10 Kb3 draw
11 Kb4 draw
12 Kb5 draw
13 Kdd4 draw
14 Rd1 draw
15 Ke2 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rh2 loss in 2 half-moves