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