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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc8 win in 11 half-moves
3 Kb5 win in 13 half-moves
4 Ka5 win in 15 half-moves
5 Kd7 win in 17 half-moves
6 Ka3 draw
7 Kb3 draw
8 Kb4 draw
9 Ke7 draw
10 Ke8 draw
11 Ra8 draw
12 Rb4 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rc8 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves