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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 K7f7 draw
3 K7f8 draw
4 K8d7 draw
5 K8d8 draw
6 K8f7 draw
7 K8f8 draw
8 Kd6 draw
9 Ra6 draw
10 Rb1 draw
11 Rb7 draw
12 Rb8 draw
13 Rc6 draw
14 Re6 draw
15 Rf6 draw
16 K7d7 loss in 2 half-moves
17 K7d8 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Kf6 loss in 1 half-moves