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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Rc6 win in 3 half-moves
6 Rc8 win in 3 half-moves
7 Ke6 win in 5 half-moves
8 Ka5 win in 7 half-moves
9 Ka4 win in 9 half-moves
10 Kc5 win in 9 half-moves
11 Rb7 win in 11 half-moves
12 Ka3 draw
13 Kb3 draw
14 Kb5 draw
15 Kc8 draw
16 Kd8 draw
17 Ke7 draw
18 Ke8 draw
19 Ra7 draw
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rc3 loss in 2 half-moves