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 Kc7 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Kd6 draw
6 Kdd8 draw
7 Ked8 draw
8 Kf8 draw
9 Ra8 draw
10 Rb2 draw
11 Rb7 draw
12 Rd8 draw
13 Kde7 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kee7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves