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

EGTB: win in 4 half-moves

# move score
1 K8d7 win in 3 half-moves
2 K8f7 win in 3 half-moves
3 K7d8 win in 5 half-moves
4 K8d8 win in 5 half-moves
5 Kd6 win in 5 half-moves
6 Rc6 win in 5 half-moves
7 K7d7 draw
8 K7f7 draw
9 K7f8 draw
10 K8f8 draw
11 Ke6 draw
12 Kf6 draw
13 Ra8 draw
14 Rb8 draw
15 Rc3 draw
16 Rc4 draw
17 Rc5 draw
18 Rc7 draw
19 Rd8 draw
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves