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 Ra6 win in 5 half-moves
7 Ra8 win in 5 half-moves
8 K7d7 draw
9 K8d7 draw
10 K8d8 draw
11 Ra1 draw
12 Ra5 draw
13 Rb7 draw
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves