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 K7f7 win in 5 half-moves
4 K7f8 win in 5 half-moves
5 K8f8 win in 5 half-moves
6 Kf6 win in 5 half-moves
7 Rb6 win in 5 half-moves
8 K7d7 draw
9 K7d8 draw
10 K8d8 draw
11 Kd6 draw
12 Ke6 draw
13 Ra8 draw
14 Rb4 draw
15 Rb5 draw
16 Rb7 draw
17 Rc8 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rd8 loss in 2 half-moves