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 Kb7 win in 5 half-moves
3 Kd7 win in 5 half-moves
4 Ra6 win in 5 half-moves
5 Ka7 draw
6 Kb8 draw
7 Kc5 draw
8 Kd5 draw
9 Ke5 draw
10 Ke6 draw
11 Ke7 draw
12 Rb6 draw
13 Rc5 draw
14 Rc7 draw
15 Rc8 draw
16 Rc1 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves