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

EGTB: win in 4 half-moves

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