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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Kd6 win in 7 half-moves
3 K7d7 draw
4 K7d8 draw
5 K7f7 draw
6 K7f8 draw
7 K8d7 draw
8 K8d8 draw
9 K8f7 draw
10 K8f8 draw
11 Ke6 draw
12 Kf6 draw
13 Ra7 draw
14 Rb1 draw
15 Rb5 draw
16 Rb6 draw
17 Rb8 draw
18 Rc7 draw
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves