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

EGTB: win in 4 half-moves

# move score
1 K8f7 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 K6f7 win in 5 half-moves
5 Kf6 win in 5 half-moves
6 Kf8 win in 5 half-moves
7 Rd8 win in 5 half-moves
8 Kd5 win in 13 half-moves
9 K6d7 draw
10 K6e7 draw
11 Ke5 draw
12 Kf5 draw
13 Ra8 draw
14 Rb8 draw
15 Rc3 draw
16 Rc6 draw
17 K8d7 loss in 2 half-moves
18 K8e7 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rc7 loss in 2 half-moves