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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 K7d7 draw
3 K7d8 draw
4 K7f7 draw
5 K7f8 draw
6 K8d7 draw
7 K8d8 draw
8 K8f7 draw
9 K8f8 draw
10 Kd6 draw
11 Ke6 draw
12 Kf6 draw
13 Rc2 draw
14 Rc6 draw
15 Rc7 draw
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves