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 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Ke6 win in 7 half-moves
6 K7d8 draw
7 K8d8 draw
8 Ra8 draw
9 Rb2 draw
10 Rb7 draw
11 K7f7 loss in 2 half-moves
12 K7f8 loss in 2 half-moves
13 K8d7 loss in 2 half-moves
14 K8f7 loss in 2 half-moves
15 K8f8 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Rb1 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