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

EGTB: win in 6 half-moves

# move score
1 K7d8 win in 5 half-moves
2 K7d7 draw
3 K7f7 draw
4 K7f8 draw
5 K8d7 draw
6 K8d8 draw
7 K8f7 draw
8 K8f8 draw
9 Ra7 draw
10 Rb1 draw
11 Rb2 draw
12 Rb8 draw
13 Rc7 draw
14 Rd7 draw
15 Kd6 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves